Merge branch 'master' into epoll_changes

BUILD

Makefile

build.yaml

composer.json

doc/c-style-guide.md

doc/command_line_tool.md

doc/cpp-style-guide.md

doc/statuscodes.md

examples/php/greeter_client.php

examples/php/helloworld.php

examples/php/route_guide/route_guide.php

examples/php/route_guide/route_guide_client.php

include/grpc++/ext/proto_server_reflection_plugin.h

include/grpc++/ext/reflection.grpc.pb.h

include/grpc++/ext/reflection.pb.h

include/grpc++/impl/codegen/config_protobuf.h

setup.py

src/compiler/config.h

src/core/ext/load_reporting/load_reporting.c

src/cpp/ext/proto_server_reflection.cc