first part, secure channel only

BUILD

Makefile

binding.gyp

build.yaml

gRPC.podspec

src/core/client_config/connector.h

src/core/client_config/default_initial_connect_string.c

src/core/client_config/initial_connect_string.c

src/core/client_config/initial_connect_string.h

src/core/client_config/subchannel.c

src/core/surface/secure_channel_create.c

tools/doxygen/Doxyfile.core.internal

tools/run_tests/sources_and_headers.json

vsprojects/vcxproj/grpc/grpc.vcxproj

vsprojects/vcxproj/grpc/grpc.vcxproj.filters

vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj

...jects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters