Merge github.com:grpc/grpc into grand-unified-closures

.gitignore

.travis.yml

BUILD

CMakeLists.txt

INSTALL.md

Makefile

PYTHON-MANIFEST.in

Rakefile

binding.gyp

build.yaml

config.m4

doc/.gitignore

etc/roots.pem

examples/cpp/helloworld/CMakeLists.txt

examples/cpp/helloworld/Makefile

examples/cpp/route_guide/Makefile

examples/objective-c/auth_sample/AuthTestService.podspec

...les/objective-c/auth_sample/Misc/GoogleService-Info.plist

examples/objective-c/helloworld/HelloWorld.podspec

examples/objective-c/route_guide/RouteGuide.podspec