Merge github.com:grpc/grpc into you-complete-me

.travis.yml

Makefile

src/core/httpcli/httpcli.c

src/core/iomgr/sockaddr_utils.c

src/core/surface/server.c

src/python/src/grpc/_adapter/_face_test_case.py

src/python/src/grpc/_adapter/_links_test.py

src/python/src/grpc/_adapter/_lonely_rear_link_test.py

src/python/src/grpc/_adapter/fore.py

src/python/src/grpc/_adapter/rear.py

src/python/src/grpc/early_adopter/implementations.py

src/python/src/grpc/framework/base/implementations_test.py

src/python/src/grpc/framework/face/_test_case.py

src/python/src/grpc/framework/face/demonstration.py

src/python/src/grpc/framework/face/testing/base_util.py

...future_invocation_asynchronous_event_service_test_case.py

templates/Makefile.template

test/core/channel/channel_stack_test.c

test/core/end2end/tests/bad_hostname.c

test/core/end2end/tests/cancel_after_accept.c