Re-throw some exception and remove unused field which coulb be null
Put method GenerateRequest in openrtb_bid_source as virtual
Turned off strict mode for the test agent in the integration endpoint.
Remove duplicate sending message and uniformize error response
Merge pull request #28 from datacratic/FixExceptionParsing

Re-throw some exception and remove unused field which coulb be null
Merge remote-tracking branch 'origin' into RTBKIT-527