New committer: Matt Massie

[Doug Cutting]

In light of his high-quality contributions and friendly attitude, the 
Hadoop PMC has voted to add Matt Massie as an Avro committer.

Matt, please file an ICLA with the ASF ASAP.
http://www.apache.org/licenses/#clas

Once this is recorded I will request your account creation.

Congratulations!

Doug