Merge pull request #6863 from vjpai/wheezy

Makefile

doc/cpp-style-guide.md

include/grpc++/ext/proto_server_reflection_plugin.h

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

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

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

include/grpc++/impl/server_builder_option.h

include/grpc++/server_builder.h

src/compiler/cpp_generator.cc

src/compiler/generator_helpers.h

src/core/lib/support/log.c

src/cpp/codegen/codegen_init.cc

src/cpp/ext/proto_server_reflection.cc

src/cpp/ext/proto_server_reflection_plugin.cc

src/cpp/server/server.cc

src/cpp/server/server_builder.cc

templates/Makefile.template

.../tools/dockerfile/test/cxx_wheezy_x64/Dockerfile.template

test/core/support/log_test.c

test/cpp/end2end/async_end2end_test.cc