grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	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
*	Merge github.com:grpc/grpc into metadata_filter	Craig Tiller	2017-01-17
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\| *	Force client to wait for server to start	Robbie Shade	2017-01-17
* \|	Port to new C Core API	Craig Tiller	2017-01-17
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*	memory usage profiling for client call, client channel, server creation, serv...	Yuxuan Li	2017-01-13