grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	Update copyrights	Craig Tiller	2016-03-31
*	Merge pull request #5650 from leifurhauks/py3_iteritems	Nicolas Noble	2016-03-21
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* \	Merge pull request #5653 from leifurhauks/py3_iterators	Jan Tattermusch	2016-03-21
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\| \| *	replace uses of iteritems with six.iteritems	Leifur Halldor Asgeirsson	2016-03-18
\| * \|	make iterators python3-compatible	Leifur Halldor Asgeirsson	2016-03-18
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* /	specify metaclasses in a py3-compatible way	Leifur Halldor Asgeirsson	2016-03-18
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*	Make Python testing predictable again	Masood Malekghassemi	2015-12-03