Revert changes to http_relay (these are now being done in feature/issue-328).
Revert changes to http_relay (these are now being done in feature/issue-328).

harrissoerja/vumi,vishwaprakashmishra/xmatrix,harrissoerja/vumi,TouK/vumi,vishwaprakashmishra/xmatrix,TouK/vumi,harrissoerja/vumi,TouK/vumi,vishwaprakashmishra/xmatrix