http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/hooks/zendesk_hook.py
----------------------------------------------------------------------
diff --git a/airflow/hooks/zendesk_hook.py b/airflow/hooks/zendesk_hook.py
index c504e4d..a8aee23 100644
--- a/airflow/hooks/zendesk_hook.py
+++ b/airflow/hooks/zendesk_hook.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 import time
 from zdesk import Zendesk, RateLimitError, ZendeskError

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/jobs.py
----------------------------------------------------------------------
diff --git a/airflow/jobs.py b/airflow/jobs.py
index 1911896..9754415 100644
--- a/airflow/jobs.py
+++ b/airflow/jobs.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 from __future__ import absolute_import
 from __future__ import division

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/logging_config.py
----------------------------------------------------------------------
diff --git a/airflow/logging_config.py b/airflow/logging_config.py
index ccf1890..cf1a275 100644
--- a/airflow/logging_config.py
+++ b/airflow/logging_config.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 import logging
 import os

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/macros/__init__.py
----------------------------------------------------------------------
diff --git a/airflow/macros/__init__.py b/airflow/macros/__init__.py
index 6f80c04..80a4e4c 100644
--- a/airflow/macros/__init__.py
+++ b/airflow/macros/__init__.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from __future__ import absolute_import
 from datetime import datetime, timedelta

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/macros/hive.py
----------------------------------------------------------------------
diff --git a/airflow/macros/hive.py b/airflow/macros/hive.py
index 86605a4..39c13a8 100644
--- a/airflow/macros/hive.py
+++ b/airflow/macros/hive.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 import datetime
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/__init__.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/__init__.py b/airflow/migrations/__init__.py
index c82f579..f0f8b68 100644
--- a/airflow/migrations/__init__.py
+++ b/airflow/migrations/__init__.py
@@ -1,14 +1,19 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/env.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/env.py b/airflow/migrations/env.py
index 720275d..828cacf 100644
--- a/airflow/migrations/env.py
+++ b/airflow/migrations/env.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from __future__ import with_statement
 from alembic import context

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/script.py.mako
----------------------------------------------------------------------
diff --git a/airflow/migrations/script.py.mako 
b/airflow/migrations/script.py.mako
index d0fba89..e46e5d5 100644
--- a/airflow/migrations/script.py.mako
+++ b/airflow/migrations/script.py.mako
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """${message}
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py 
b/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py
index 72b2163..64ee41c 100644
--- a/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py
+++ b/airflow/migrations/versions/0e2a74e0fc9f_add_time_zone_awareness.py
@@ -1,16 +1,21 @@
 # flake8: noqa
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Add time zone awareness
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/127d2bf2dfa7_add_dag_id_state_index_on_dag_run_table.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/127d2bf2dfa7_add_dag_id_state_index_on_dag_run_table.py
 
b/airflow/migrations/versions/127d2bf2dfa7_add_dag_id_state_index_on_dag_run_table.py
index a456daa..5851725 100644
--- 
a/airflow/migrations/versions/127d2bf2dfa7_add_dag_id_state_index_on_dag_run_table.py
+++ 
b/airflow/migrations/versions/127d2bf2dfa7_add_dag_id_state_index_on_dag_run_table.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Add dag_id/state index on dag_run table
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/13eb55f81627_for_compatibility.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/13eb55f81627_for_compatibility.py 
b/airflow/migrations/versions/13eb55f81627_for_compatibility.py
index f0ac907..a14e195 100644
--- a/airflow/migrations/versions/13eb55f81627_for_compatibility.py
+++ b/airflow/migrations/versions/13eb55f81627_for_compatibility.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """maintain history for compatibility with earlier migrations
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/1507a7289a2f_create_is_encrypted.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/1507a7289a2f_create_is_encrypted.py 
b/airflow/migrations/versions/1507a7289a2f_create_is_encrypted.py
index 213ceac..47bdf13 100644
--- a/airflow/migrations/versions/1507a7289a2f_create_is_encrypted.py
+++ b/airflow/migrations/versions/1507a7289a2f_create_is_encrypted.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """create is_encrypted
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/1968acfc09e3_add_is_encrypted_column_to_variable_.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/1968acfc09e3_add_is_encrypted_column_to_variable_.py
 
b/airflow/migrations/versions/1968acfc09e3_add_is_encrypted_column_to_variable_.py
index c99434e..57ee27a 100644
--- 
a/airflow/migrations/versions/1968acfc09e3_add_is_encrypted_column_to_variable_.py
+++ 
b/airflow/migrations/versions/1968acfc09e3_add_is_encrypted_column_to_variable_.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add is_encrypted column to variable table
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/1b38cef5b76e_add_dagrun.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/1b38cef5b76e_add_dagrun.py 
b/airflow/migrations/versions/1b38cef5b76e_add_dagrun.py
index 03e5307..a0af7fa 100644
--- a/airflow/migrations/versions/1b38cef5b76e_add_dagrun.py
+++ b/airflow/migrations/versions/1b38cef5b76e_add_dagrun.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add dagrun
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/211e584da130_add_ti_state_index.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/211e584da130_add_ti_state_index.py 
b/airflow/migrations/versions/211e584da130_add_ti_state_index.py
index ef6c395..93347a2 100644
--- a/airflow/migrations/versions/211e584da130_add_ti_state_index.py
+++ b/airflow/migrations/versions/211e584da130_add_ti_state_index.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add TI state index
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/2e541a1dcfed_task_duration.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/2e541a1dcfed_task_duration.py 
b/airflow/migrations/versions/2e541a1dcfed_task_duration.py
index c21535c..7b54043 100644
--- a/airflow/migrations/versions/2e541a1dcfed_task_duration.py
+++ b/airflow/migrations/versions/2e541a1dcfed_task_duration.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """task_duration
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/2e82aab8ef20_rename_user_table.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/2e82aab8ef20_rename_user_table.py 
b/airflow/migrations/versions/2e82aab8ef20_rename_user_table.py
index 6fb8bc2..0326667 100644
--- a/airflow/migrations/versions/2e82aab8ef20_rename_user_table.py
+++ b/airflow/migrations/versions/2e82aab8ef20_rename_user_table.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """rename user table
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/338e90f54d61_more_logging_into_task_isntance.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/338e90f54d61_more_logging_into_task_isntance.py 
b/airflow/migrations/versions/338e90f54d61_more_logging_into_task_isntance.py
index 37ca74d..c101e4a 100644
--- 
a/airflow/migrations/versions/338e90f54d61_more_logging_into_task_isntance.py
+++ 
b/airflow/migrations/versions/338e90f54d61_more_logging_into_task_isntance.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """More logging into task_isntance
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/40e67319e3a9_dagrun_config.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/40e67319e3a9_dagrun_config.py 
b/airflow/migrations/versions/40e67319e3a9_dagrun_config.py
index 249991e..ecfe58c 100644
--- a/airflow/migrations/versions/40e67319e3a9_dagrun_config.py
+++ b/airflow/migrations/versions/40e67319e3a9_dagrun_config.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """dagrun_config
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/4446e08588_dagrun_start_end.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/4446e08588_dagrun_start_end.py 
b/airflow/migrations/versions/4446e08588_dagrun_start_end.py
index 0ec1435..dc546f8 100644
--- a/airflow/migrations/versions/4446e08588_dagrun_start_end.py
+++ b/airflow/migrations/versions/4446e08588_dagrun_start_end.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """dagrun start end
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/4addfa1236f1_add_fractional_seconds_to_mysql_tables.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/4addfa1236f1_add_fractional_seconds_to_mysql_tables.py
 
b/airflow/migrations/versions/4addfa1236f1_add_fractional_seconds_to_mysql_tables.py
index c1c6de3..80af578 100644
--- 
a/airflow/migrations/versions/4addfa1236f1_add_fractional_seconds_to_mysql_tables.py
+++ 
b/airflow/migrations/versions/4addfa1236f1_add_fractional_seconds_to_mysql_tables.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Add fractional seconds to mysql tables
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/502898887f84_adding_extra_to_log.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/502898887f84_adding_extra_to_log.py 
b/airflow/migrations/versions/502898887f84_adding_extra_to_log.py
index 1715d00..f5cded7 100644
--- a/airflow/migrations/versions/502898887f84_adding_extra_to_log.py
+++ b/airflow/migrations/versions/502898887f84_adding_extra_to_log.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Adding extra to Log
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/52d714495f0_job_id_indices.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/52d714495f0_job_id_indices.py 
b/airflow/migrations/versions/52d714495f0_job_id_indices.py
index a718d85..43893db 100644
--- a/airflow/migrations/versions/52d714495f0_job_id_indices.py
+++ b/airflow/migrations/versions/52d714495f0_job_id_indices.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """job_id indices
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/561833c1c74b_add_password_column_to_user.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/561833c1c74b_add_password_column_to_user.py 
b/airflow/migrations/versions/561833c1c74b_add_password_column_to_user.py
index 71f9e06..ad82c93 100644
--- a/airflow/migrations/versions/561833c1c74b_add_password_column_to_user.py
+++ b/airflow/migrations/versions/561833c1c74b_add_password_column_to_user.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add password column to user
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/5e7d17757c7a_add_pid_field_to_taskinstance.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/5e7d17757c7a_add_pid_field_to_taskinstance.py 
b/airflow/migrations/versions/5e7d17757c7a_add_pid_field_to_taskinstance.py
index 7146864..5e2963f 100644
--- a/airflow/migrations/versions/5e7d17757c7a_add_pid_field_to_taskinstance.py
+++ b/airflow/migrations/versions/5e7d17757c7a_add_pid_field_to_taskinstance.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add pid field to TaskInstance
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/64de9cddf6c9_add_task_fails_journal_table.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/64de9cddf6c9_add_task_fails_journal_table.py 
b/airflow/migrations/versions/64de9cddf6c9_add_task_fails_journal_table.py
index 3d5c7a4..be74738 100644
--- a/airflow/migrations/versions/64de9cddf6c9_add_task_fails_journal_table.py
+++ b/airflow/migrations/versions/64de9cddf6c9_add_task_fails_journal_table.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add task fails journal table
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/8504051e801b_xcom_dag_task_indices.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/8504051e801b_xcom_dag_task_indices.py 
b/airflow/migrations/versions/8504051e801b_xcom_dag_task_indices.py
index 99b5653..47473e3 100644
--- a/airflow/migrations/versions/8504051e801b_xcom_dag_task_indices.py
+++ b/airflow/migrations/versions/8504051e801b_xcom_dag_task_indices.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """xcom dag task indices
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/947454bf1dff_add_ti_job_id_index.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/947454bf1dff_add_ti_job_id_index.py 
b/airflow/migrations/versions/947454bf1dff_add_ti_job_id_index.py
index b0817c3..4c8bce9 100644
--- a/airflow/migrations/versions/947454bf1dff_add_ti_job_id_index.py
+++ b/airflow/migrations/versions/947454bf1dff_add_ti_job_id_index.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add ti job_id index
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/__init__.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/__init__.py 
b/airflow/migrations/versions/__init__.py
index c82f579..f0f8b68 100644
--- a/airflow/migrations/versions/__init__.py
+++ b/airflow/migrations/versions/__init__.py
@@ -1,14 +1,19 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/bba5a7cfc896_add_a_column_to_track_the_encryption_.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/bba5a7cfc896_add_a_column_to_track_the_encryption_.py
 
b/airflow/migrations/versions/bba5a7cfc896_add_a_column_to_track_the_encryption_.py
index 7511f79..c780e58 100644
--- 
a/airflow/migrations/versions/bba5a7cfc896_add_a_column_to_track_the_encryption_.py
+++ 
b/airflow/migrations/versions/bba5a7cfc896_add_a_column_to_track_the_encryption_.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Add a column to track the encryption state of the 'Extra' field in 
connection
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/bbc73705a13e_add_notification_sent_column_to_sla_miss.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/bbc73705a13e_add_notification_sent_column_to_sla_miss.py
 
b/airflow/migrations/versions/bbc73705a13e_add_notification_sent_column_to_sla_miss.py
index bc7c3bd..84c54fa 100644
--- 
a/airflow/migrations/versions/bbc73705a13e_add_notification_sent_column_to_sla_miss.py
+++ 
b/airflow/migrations/versions/bbc73705a13e_add_notification_sent_column_to_sla_miss.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Add notification_sent column to sla_miss
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/bdaa763e6c56_make_xcom_value_column_a_large_binary.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/bdaa763e6c56_make_xcom_value_column_a_large_binary.py
 
b/airflow/migrations/versions/bdaa763e6c56_make_xcom_value_column_a_large_binary.py
index ea37d76..5e06766 100644
--- 
a/airflow/migrations/versions/bdaa763e6c56_make_xcom_value_column_a_large_binary.py
+++ 
b/airflow/migrations/versions/bdaa763e6c56_make_xcom_value_column_a_large_binary.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Make xcom value column a large binary
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/cc1e65623dc7_add_max_tries_column_to_task_instance.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/cc1e65623dc7_add_max_tries_column_to_task_instance.py
 
b/airflow/migrations/versions/cc1e65623dc7_add_max_tries_column_to_task_instance.py
index 4cb43b1..0503d93 100644
--- 
a/airflow/migrations/versions/cc1e65623dc7_add_max_tries_column_to_task_instance.py
+++ 
b/airflow/migrations/versions/cc1e65623dc7_add_max_tries_column_to_task_instance.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add max tries column to task instance
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/d2ae31099d61_increase_text_size_for_mysql.py
----------------------------------------------------------------------
diff --git 
a/airflow/migrations/versions/d2ae31099d61_increase_text_size_for_mysql.py 
b/airflow/migrations/versions/d2ae31099d61_increase_text_size_for_mysql.py
index 1021fdd..ff67b4f 100644
--- a/airflow/migrations/versions/d2ae31099d61_increase_text_size_for_mysql.py
+++ b/airflow/migrations/versions/d2ae31099d61_increase_text_size_for_mysql.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """Increase text size for MySQL (not relevant for other DBs' text types)
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/e3a246e0dc1_current_schema.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/e3a246e0dc1_current_schema.py 
b/airflow/migrations/versions/e3a246e0dc1_current_schema.py
index e724011..6c63d0a 100644
--- a/airflow/migrations/versions/e3a246e0dc1_current_schema.py
+++ b/airflow/migrations/versions/e3a246e0dc1_current_schema.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """current schema
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/migrations/versions/f2ca10b85618_add_dag_stats_table.py
----------------------------------------------------------------------
diff --git a/airflow/migrations/versions/f2ca10b85618_add_dag_stats_table.py 
b/airflow/migrations/versions/f2ca10b85618_add_dag_stats_table.py
index dabe812..7c23d50 100644
--- a/airflow/migrations/versions/f2ca10b85618_add_dag_stats_table.py
+++ b/airflow/migrations/versions/f2ca10b85618_add_dag_stats_table.py
@@ -1,15 +1,20 @@
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 """add dag_stats table
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/models.py
----------------------------------------------------------------------
diff --git a/airflow/models.py b/airflow/models.py
index a82eb18..12f7a38 100755
--- a/airflow/models.py
+++ b/airflow/models.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from __future__ import absolute_import
 from __future__ import division

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/__init__.py
----------------------------------------------------------------------
diff --git a/airflow/operators/__init__.py b/airflow/operators/__init__.py
index 93580b0..003b855 100644
--- a/airflow/operators/__init__.py
+++ b/airflow/operators/__init__.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 #
 
 import sys

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/bash_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/bash_operator.py 
b/airflow/operators/bash_operator.py
index 654176d..4b16d69 100644
--- a/airflow/operators/bash_operator.py
+++ b/airflow/operators/bash_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 
 from builtins import bytes

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/check_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/check_operator.py 
b/airflow/operators/check_operator.py
index 9994671..e671fda 100644
--- a/airflow/operators/check_operator.py
+++ b/airflow/operators/check_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from builtins import zip
 from builtins import str

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/dagrun_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/dagrun_operator.py 
b/airflow/operators/dagrun_operator.py
index 2c363c8..feb3612 100644
--- a/airflow/operators/dagrun_operator.py
+++ b/airflow/operators/dagrun_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from airflow.models import BaseOperator, DagBag
 from airflow.utils import timezone

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/docker_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/docker_operator.py 
b/airflow/operators/docker_operator.py
index 77e6f1c..8694a3d 100644
--- a/airflow/operators/docker_operator.py
+++ b/airflow/operators/docker_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 import json
 

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/dummy_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/dummy_operator.py 
b/airflow/operators/dummy_operator.py
index 4517a8a..5a5c616 100644
--- a/airflow/operators/dummy_operator.py
+++ b/airflow/operators/dummy_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from airflow.models import BaseOperator
 from airflow.utils.decorators import apply_defaults

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/email_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/email_operator.py 
b/airflow/operators/email_operator.py
index 6eaae95..1087bac 100644
--- a/airflow/operators/email_operator.py
+++ b/airflow/operators/email_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from airflow.models import BaseOperator
 from airflow.utils.email import send_email

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/generic_transfer.py
----------------------------------------------------------------------
diff --git a/airflow/operators/generic_transfer.py 
b/airflow/operators/generic_transfer.py
index 545e722..03f30a3 100644
--- a/airflow/operators/generic_transfer.py
+++ b/airflow/operators/generic_transfer.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 from airflow.models import BaseOperator
 from airflow.utils.decorators import apply_defaults
 from airflow.hooks.base_hook import BaseHook

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/hive_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/hive_operator.py 
b/airflow/operators/hive_operator.py
index fdd1689..64ea61d 100644
--- a/airflow/operators/hive_operator.py
+++ b/airflow/operators/hive_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 from __future__ import unicode_literals
 
 import re

http://git-wip-us.apache.org/repos/asf/incubator-airflow/blob/c7a472ed/airflow/operators/hive_stats_operator.py
----------------------------------------------------------------------
diff --git a/airflow/operators/hive_stats_operator.py 
b/airflow/operators/hive_stats_operator.py
index f3923e7..c0de8b4 100644
--- a/airflow/operators/hive_stats_operator.py
+++ b/airflow/operators/hive_stats_operator.py
@@ -1,16 +1,21 @@
 # -*- coding: utf-8 -*-
 #
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
 
 from builtins import zip
 from collections import OrderedDict


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