Merge branch 'master' of github.com:google/grpc into docker

INSTALL

Makefile

README.md

build.json

include/grpc/grpc.h

include/grpc/support/log_win32.h

include/grpc/support/port_platform.h

src/core/channel/client_channel.c

src/core/channel/http_client_filter.c

src/core/httpcli/httpcli_security_context.c

src/core/iomgr/fd_posix.c

src/core/iomgr/fd_posix.h

src/core/iomgr/iocp_windows.c

src/core/iomgr/iocp_windows.h

src/core/iomgr/iomgr_posix.c

src/core/iomgr/iomgr_windows.c

src/core/iomgr/pollset_multipoller_with_epoll.c

src/core/iomgr/pollset_multipoller_with_poll_posix.c

src/core/iomgr/pollset_posix.c

src/core/iomgr/pollset_posix.h