Fix propagation of headers with grpc server errors#42

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technicianted wants to merge 4 commits intomwitkow:masterfrom technicianted:fix_header_prop

+228-66

Commits on Aug 7, 2019

fix propagation of headers even with errors
Osama Abuelsorour
committed
minor error message fix
Osama Abuelsorour
committed
update go version (was too old)
Osama Abuelsorour
committed
escape go version
Osama Abuelsorour
committed