Fix a race in QPS client shutdown

Few VS2010 fixes.

adding auth interop tests for C# to grpc_docker.sh

Ignore SIGPIPE

Fix errors and warnings breaking compilation under GCC+Windows (MSYS2/MinGW)

-) = delete isn't supported. Moving destructor out of scope.
-) variadic templates aren't supported. Replacing emplace_back's construction.
-) C++11's {} inline construction isn't supported. Adding temporary variables.
-) std::list<> can't work on a non-declared class. Changing to a raw pointer.

Pass deadline to call details for batch calls

Previously we were cleaning up threads only AFTER local resources were
reclaimed, leading to many crashes.

Fix early shutdown

Fix includes for Boring SSL.

Improve C# support in run_tests.py and run C# on Travis.

Stop kicking ourselves

Refactoring std::chrono out.

Renamed make variables for protoc presence and version checking.

A little Makefile spring cleaning

Test client stream cancellation and fix bug exposed by the test.

Flagging some tests as flaky.

Conflicts:
	include/grpc++/completion_queue.h

Attempt to remove the need of calling grpc_init/shutdown in c++ application code

Add a GrpcLibrary class to wrap grpc_init and grpc_shutdown and convert all the tests to init/shutdown free.

Grpc ruby interop fixes