Merge github.com:grpc/grpc into error

.gitignore

BUILD

Makefile

binding.gyp

build.yaml

config.m4

doc/fail_fast.md

examples/cpp/helloworld/Makefile

examples/cpp/route_guide/Makefile

examples/python/README.md

gRPC.podspec

grpc.def

grpc.gemspec

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

include/grpc/grpc.h

include/grpc/impl/codegen/port_platform.h

package.json

package.xml

requirements.txt

src/compiler/config.h