Merge github.com:google/grpc into api

.gitignore

.gitmodules

INSTALL

Makefile

include/grpc/support/port_platform.h

src/core/support/log_posix.c

src/core/support/log_win32.c

src/core/support/time.c

src/node/server.js

src/node/surface_client.js

src/node/test/math_client_test.js

templates/Makefile.template

templates/vsprojects/vs2013/build_and_run_tests.bat.template

test/build/event2.c

test/core/util/test_config.c

third_party/libevent

tools/dockerfile/grpc_base/Dockerfile

tools/run_tests/run_lcov.sh

tools/run_tests/run_tests.py

vsprojects/vs2013/build_and_run_tests.bat