grpc - RPC system from Google

	Commit message (Collapse)	Author	Age
*	Manual fixes to enable performance- clang tidy checks	Noah Eisen	2018-06-14
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*	Change grpc++ references in names to grpcpp	Vijay Pai	2018-03-08
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*	auto-fix most of licenses	Jan Tattermusch	2017-06-08
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*	Include x.pb.h instead of x.grpc.pb.h for message-only protos	yang-g	2017-03-06
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*	refactor client	Eric Gribkoff	2017-03-01
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*	Adds HTTP/2 interop test client	Eric Gribkoff	2017-01-11