Merge github.com:grpc/grpc into break-break-break-the-locks

BUILD

Makefile

build.json

include/grpc++/byte_buffer.h

include/grpc/byte_buffer.h

include/grpc/byte_buffer_reader.h

include/grpc/census.h

include/grpc/compression.h

include/grpc/grpc.h

include/grpc/grpc_security.h

include/grpc/support/tls_pthread.h

src/core/compression/algorithm.c

src/core/compression/message_compress.h

src/core/surface/byte_buffer.c

src/core/surface/byte_buffer_reader.c

src/core/surface/call.c

src/core/transport/chttp2_transport.c

src/cpp/proto/proto_utils.cc

src/cpp/util/byte_buffer.cc

src/csharp/Grpc.Core.Tests/ClientServerTest.cs