Merge pull request #7357 from grpc/v1.0.x

.travis.yml

examples/objective-c/auth_sample/AuthTestService.podspec

examples/objective-c/auth_sample/Podfile

examples/objective-c/helloworld/HelloWorld.podspec

examples/objective-c/helloworld/Podfile

examples/objective-c/route_guide/Podfile

examples/objective-c/route_guide/RouteGuide.podspec

gRPC.podspec

src/objective-c/!ProtoCompiler-gRPCPlugin.podspec

src/objective-c/!ProtoCompiler.podspec

src/objective-c/README.md

src/objective-c/examples/RemoteTestClient/RemoteTest.podspec

src/objective-c/examples/Sample/Podfile

src/objective-c/examples/SwiftSample/Podfile

src/objective-c/tests/Podfile

src/objective-c/tests/RemoteTestClient/RemoteTest.podspec

src/python/grpcio/commands.py

src/python/grpcio/grpc/__init__.py

src/python/grpcio/grpc/_adapter/.gitignore

src/python/grpcio/grpc/_adapter/__init__.py