Back-end for new core API

Makefile

build.json

include/grpc/grpc.h

src/core/channel/channel_stack.c

src/core/channel/connected_channel.c

src/core/iomgr/pollset_posix.c

src/core/surface/byte_buffer_queue.c

src/core/surface/byte_buffer_queue.h

src/core/surface/call.c

src/core/surface/call.h

src/core/surface/channel.c

src/core/surface/client.c

src/core/surface/completion_queue.c

src/core/surface/completion_queue.h

src/core/surface/event_string.c

src/core/surface/lame_client.c

src/core/surface/server.c

src/core/transport/chttp2/stream_encoder.c

src/cpp/client/channel.cc

templates/Makefile.template