Make it more likely to correctly report deadline exceeded

Fix make errors on mac 

Hold onto the GIL in __dealloc__ functions

Compression Cookbook

Updated composer.json template

Remove gmock protobuf dependency from cmake build

When a child thread triggers __dealloc__ as part of a thread being
joined, the thread is already considered to be "joined", and so
releasing the GIL can allow the main thread to proceed to exit,
which introduces shutdown race conditions/memory leaks.

Remove unused file

PHP: update composer.json 

PHP: remove gpr_log debug

fixes #7259

Added timeout to port server

Split incoming initial and trailing metadata in Ruby calls

Make handlers optional at server construction

Fix Python interop unit-tests on Windows

Fix _Rendezvous.exception for successful calls

Support composition of arbitrarily many CallCredentials objects

Split Node health check code into a separate package and make it use static codegen

Reduce default max message size

Updated example codegen to use grpcio-tools

Now reasonable defaults are auto-detected by platform (and by specific
Python implementation).