Separate headers and trailers

Fixing type-o

generate auth URI for JWT access token properly

client code clean up

add external tag set API

Wraps the connectivity API

C client library auth: produce adequate error codes and messages.

Remove C++11 dependencies in QPS test that break old compilers

Grpc ruby enable propagation between calls

Node fix auth interop

small fix for go docker private image building

Rename SingleValueHandler->SingleHandler, StreamHandler->EventHandler

Expose new core functionality to Python.

adding build.sh for go so that go can test with private changes and p…

fixing a go docker image build error.

Use common timeouts in Python face-layer test-cases.

Getting rid of unnecessary exception type

Disabled deprecation warnings in Node build

migrate to usable auth library