grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	Merge github.com:grpc/grpc into cpparena	Craig Tiller	2017-04-14
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* \|	Call ref/unref, bugfixes	Craig Tiller	2017-03-31
\| *	clang format	Sree Kuchibhotla	2017-03-24
\| *	Updates C Core	Sree Kuchibhotla	2017-03-22
\| *	clang format code	Sree Kuchibhotla	2017-03-03
\| *	Prefix grpc_cq_polling_type enums with GRPC_CQ_	Sree Kuchibhotla	2017-03-03
\| *	Fix clang formatting issues	Sree Kuchibhotla	2017-03-03
\| *	Change Core to use the new completion_queue_create API	Sree Kuchibhotla	2017-03-02
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*	Replace timeout/scaling macros with functions.	Robbie Shade	2017-01-31
*	Merge github.com:grpc/grpc into rollfwd	Craig Tiller	2017-01-26
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\| *	Fix tests.	Mark D. Roth	2017-01-25
* \|	Revert "Revert "Metadata handling rewrite""	Craig Tiller	2017-01-23
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*	Revert "Metadata handling rewrite"	Craig Tiller	2017-01-20
*	Port to new C Core API	Craig Tiller	2017-01-17
*	memory usage profiling for client call, client channel, server creation, serv...	Yuxuan Li	2017-01-13