grpc - RPC system from Google

	Commit message (Expand)	Author	Age
*	Merge pull request #6798 from jboeuf/fix_3803	Jan Tattermusch	2016-06-24
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\| *	Merge branch 'master' into fix_3803	Julien Boeuf	2016-06-04
* \|	s/grpc_pops/grpc_polling_entity	David Garcia Quintas	2016-05-31
* \|	Merge branch 'master' of github.com:grpc/grpc into lb_pollset_propagation	David Garcia Quintas	2016-05-31
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*	Merge branch 'credentials_refactoring' of github.com:jboeuf/grpc into credent...	Julien Boeuf	2016-05-10
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* \|	Fixing headers.	Julien Boeuf	2016-05-10
\| *	clang-format	Julien Boeuf	2016-05-10
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*	Refactoring the core security code.	Julien Boeuf	2016-05-04