Merge pull request #3773 from longjon/travis-protobuf3-fix
authorJon Long <jonlong@cs.berkeley.edu>
Fri, 4 Mar 2016 21:58:03 +0000 (13:58 -0800)
committerJon Long <jonlong@cs.berkeley.edu>
Fri, 4 Mar 2016 21:58:03 +0000 (13:58 -0800)
Travis: force protobuf 3.0.0b2 for Python 3


Trivial merge