zeppelin git commit: [ZEPPELIN-2768]. Bump up Spark version to 2.2.0

Repository: zeppelin Updated Branches: refs/heads/branch-0.7 d59ff44b7 -> 28310c2b9 [ZEPPELIN-2768]. Bump up Spark version to 2.2.0 Spark 2.2.0 is just released, this PR is to support spark 2.2.0. [Improvement] * [ ] - Task * https://issues.apache.org/jira/browse/ZEPPELIN-2768 Travis is up

zeppelin git commit: [ZEPPELIN-2768]. Bump up Spark version to 2.2.0

Repository: zeppelin Updated Branches: refs/heads/master 3c737ef36 -> ebb6591d8 [ZEPPELIN-2768]. Bump up Spark version to 2.2.0 ### What is this PR for? Spark 2.2.0 is just released, this PR is to support spark 2.2.0. ### What type of PR is it? [Improvement] ### Todos * [ ] - Task ### What