Features
- add a WorkerPools API (#129) (2ea98bd)
- add Samples section to CONTRIBUTING.rst (#131) (7593c96)
- Implementation of Build Failure Info: - Added message FailureInfo field (#132) (76564e8)
Bug Fixes
- deps: pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions (#130) (e92b7a2)
- enable self signed jwt for grpc (#139) (89f7931)