Pass a non-infinite deadline to grpc_completion_queue_next() to prevent queues from blocking indefinitely in poll().

Maintain correct invariants against core.

Update reconnect_interop_server.cc

Update reconnect_interop_client.cc

Fix esan detected race in subchannel state

Fix ServerTryCancel in end2end tests

Added comment for gyp

updated templates/README.md

Don't do a "safety" Cancel when recv_close_on_server.cancelled is set.

could be an arbitrary amount of time between when the cancel is tried
and actually observable.

Fix run_tests.py reporting for multiple test runs

Simplify PHP installation

Fix flaky test:  End2endServerTryCancelTest.ResponseStreamServerCancelAfter 

clang-format sanity fix

Remove broken test

This test is inherently flaky and I don't see any way to make it not so.
Historically this test has not (in my memory) given any signal that something is actually broken.

Let's save maintenance and just nuke it.

Copyright updates.

Address some memory hazards in Cython code

Remove binary tags, restrict tag characters to ASCII

Fix sanity test for C#'s 'build_packages.bat.template'

Windows C# distribtests