Merge branch 'master' of https://github.com/grpc/grpc into cpp_stress_flags

BUILD

CMakeLists.txt

INSTALL.md

Makefile

Rakefile

build.yaml

build_config.rb

doc/images/load-balancing.png

doc/images/load-balancing.svg

doc/images/load_balancing_design.png

doc/load-balancing.md

doc/naming.md

doc/service_config.md

include/grpc++/support/channel_arguments.h

src/core/ext/census/tracing.c

src/core/ext/client_channel/resolver_registry.h

...xt/transport/cronet/client/secure/cronet_channel_create.c

src/core/ext/transport/cronet/transport/cronet_api_dummy.c

src/core/ext/transport/cronet/transport/cronet_transport.c

src/core/lib/iomgr/resource_quota.c