Started the MultiBidderInterface implementation
The MultiBidderInterface is now dispatching nearly all the calls
Merge branch 'master' into RTBKIT-581-multi_bidder_interface
The MultiBidderInterface does not use the auctionId anymore to dispatch the calls
RTBKit exchange connector now fills the priority in the Bid ext field
Merge pull request #60 from datacratic/RTBKIT-581-multi_bidder_interface

RTBKIT-581 MultiBidderInterface