grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	Add a sanity check for inclusion of port_platform.h	Alexander Polcyn	2018-02-23
*	Autofix c casts to c++ casts	Noah Eisen	2018-02-09
*	Merge master	Yash Tibrewal	2017-12-07
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* \|	Revert "Revert "All instances of exec_ctx being passed around in src/core rem...	Yash Tibrewal	2017-12-06
* \|	Revert "All instances of exec_ctx being passed around in src/core removed"	Yash Tibrewal	2017-12-06
\| *	Add on_initiate callback for the send_ping tranport op	Yuchen Zeng	2017-12-05
* \|	Remove _ prefixed variable names	Yash Tibrewal	2017-11-29
* \|	Merge master	Yash Tibrewal	2017-11-16
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* \|	Move ExecCtx to grpc_core namespace. Make exec_ctx a private static in ExecCt...	Yash Tibrewal	2017-11-14
* \|	Address some PR comments	Yash Tibrewal	2017-11-14
\| *	s/NULL/nullptr	Craig Tiller	2017-11-10
* \|	Merge with master	Yash Tibrewal	2017-11-09
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\| *	Update clang-format to 5.0	Craig Tiller	2017-11-03
* \|	Removing instances of exec_ctx being passed around in functions in	Yash Tibrewal	2017-10-18
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*	Changes for C to C++. Adding extern C to header files for compatibility.	Yash Tibrewal	2017-10-02