grpc - RPC system from Google

	Commit message (Collapse)	Author	Age
*	Enable CFStream with environment variable	Muxi Yan	2018-08-06
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*	nit - Rename stream_sync to stream_handle to match class name	Muxi Yan	2018-06-11
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*	revert -framework CoreFoundation	Muxi Yan	2018-06-05
\| \| \| \|	Make error CFStream only
*	Polish comment	Muxi Yan	2018-06-01
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*	Fix error refcounting issue in cfstream client	Muxi Yan	2018-06-01
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*	More identifier names clean-up	Muxi Yan	2018-05-31
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*	Address comments on names and comments	Muxi Yan	2018-05-30
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*	sanity	Muxi Yan	2018-05-22
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*	Use cc rather than mm files and merge cfstream related files into core	Muxi Yan	2018-05-22