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

.clang-format

.gitignore

INSTALL

Makefile

build.json

examples/tips/client.cc

examples/tips/client.h

examples/tips/client_main.cc

examples/tips/client_test.cc

examples/tips/empty.proto

examples/tips/label.proto

examples/tips/pubsub.proto

include/grpc++/server_credentials.h

include/grpc/grpc.h

include/grpc/grpc_security.h

include/grpc/support/slice.h

src/compiler/cpp_generator.cc

src/compiler/cpp_generator.h

src/compiler/cpp_generator_helpers.h

src/compiler/cpp_plugin.cc