Updated copyrights

Fix check_copyright.py

Fix formatting

Include core in Python distribution.

Port fixes

Some platforms do not use signed char (arm)

In some cases, the prototype argument order was different
than the declaration order.

Based on a patch from Sam Leffler.

Remove from all epoll sets when releasing an fd

Make pick_first fast path lock free

Consolidate C++ proto files under src/proto

Refine coverage language list

Handle errors in run_tests.py a little better

Disable ccache for the moment

Fix docstring typos in python grpc interfaces.

Expose the fd in grpc_fd and grpc_tcp.

Compile Node extension with c99 and c++11

Tweak compiler settings to hopefully make Jenkins more robust

Dont fail build if no report generated

clang-format

Add an early out to gpr_cpu_test

Delay reading stdout from disk until process terminates