Nov 16 2016

• Improvements to Travis CI script.
• Upgrade rules_dotnet to eb7c.
• Upgrade rules_node to 85b7.
• Upgrade google_apis to 13ac.
• Upgrade grpc/grpc to 3808 (post 1.0.1)
• Upgrade boringssl to 1444.
• Remove nanopb dependency (now internal to grpc)
• Add greeter_server.py and intregration test (@drtechniko)
• Improve zlib build file (@pedrokiefer)
• Upgrade grpc-gateway (@achew22)
• Add well-known protos to grpc-gateway inputs.
• Upgrade protobuf-java to 3.1.0