Added a Creative Filter to filter out all creatives that don't match the extension field
HttpBidder now retrieves the correct creativeIndex
Used the generic indexOf function to retrieve the creative and adSpot indexes
ACS: added a REST route to remove a config
Changed the route to delete a config from the ACS
Http bidder now answers to ping message
HTTP Bidder: Calling Router::handleMessage rather than Router::doPong to make sure that the router considers that the agent keeps sending heartbeats. Otherwise, the agent will be considered dead
HTTP Bidder does not crash anymore when receiving a 204 response
Now using router throwException to return a 400 HTTP status when something went wrong
Merge branch 'master' into bidder-interface
Removed creative ids from the extension field in the BidRequest impressions
Added a new RTBKit Exchange Connector
tagRequest is now a virtual function of HttpBidderInterface
Added a simple unit test for RTBKit Exchange Connector
Registering the RTBKit Exchange Connector
Added a missing dependency to the http_bidder
Merge pull request #27 from datacratic/bidder-interface

HTTP Bidder Interface
Re-throw some exception and remove unused field which coulb be null
fixed macro expansion
changed macro syntax to %{} instead of $()