Francois Tur ee8084a08f Plugin/Proxy - prevent nil pointer when query using a gRPC client that could not dial in (#1495) ...

* prevent nil pointer when query frpc client that could not open

* add UT checking we can now safely request DNS query on an invalid hostname, query for gRPC connection

* fix ortograph

* fix format

* fix package declaration, fix UT - grpclogger, use fatalf, build pool with known addresses

* type, useless error check - after review

2018-02-14 20:20:27 +01:00

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