grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	Introduce the (outside-of-iomgr) pollset API.	ctiller	2014-12-19
*	Remove endpoint/ directories.	ctiller	2014-12-17
*	Add an assertion to prevent return-without-value warning.	vpai	2014-12-15
*	Fix mixing function, and make it universally used.	ctiller	2014-12-15
*	Binary header encoding.	ctiller	2014-12-15
*	Split client_channel into client_channel & child_channel.	ctiller	2014-12-12
*	Shutting off warning by properly truncating values.	nnoble	2014-12-12
*	Cache encoded binary data on the metadata string object.	ctiller	2014-12-11
*	Advertise h2-16, h2-15, h2-14, and accept any of them.	ctiller	2014-12-10
*	Automated g4 rollback of changelist 81719124.	ctiller	2014-12-09
*	Advertise h2-16, h2-15, h2-14, and accept any of them.	ctiller	2014-12-09
*	Introducing iomgr.	ctiller	2014-12-09
*	Flow Control Fixes.	ctiller	2014-12-08
*	Updating moe_db.txt with the latest equivalence since the ruby import changed...	nnoble	2014-12-05
*	Initial import.	Nicolas Noble	2014-11-26