Adding new kv to xhb Adapter (#1513)
Adding new kv to xhb Adapter (#1513)

* xhb adapter added - use AppNexus test ad unit

* adjusted adapter to set responseCPM to 0 and add in dealId

* implemented suggested changes

* implemented suggested changes

* ran jscs fixer for xhb.js and added it to adapters.json

* Xhb adapter: adding alias support

* minor changes as per request

* re-added default bidder settings

* Bugfix: getBidRequest was missing utils

* minor fix to _defaultBidderSettings

* added size to defaultBidderSettings

mcallari/Prebid.js,gumgum/Prebid.js,devmusings/Prebid.js,ad4game/Prebid.js,PubWise/Prebid.js,HuddledMasses/Prebid.js,indexexchange/Prebid.js,Somoaudience/Prebid.js,SpreeGorilla/Prebid.js,hadarpeer/Prebid.js,atomx/Prebid.js,prebid/Prebid.js,guillaume-sticky/Prebid.js,indexexchange/Prebid.js,Niksok/Prebid.js,hadarpeer/Prebid.js,jbartek-improve/Prebid.js,ImproveDigital/Prebid.js,guillaume-sticky/Prebid.js,polluxnetwork/Prebid.js,PubWise/Prebid.js,HuddledMasses/Prebid.js,atomx/Prebid.js,ImproveDigital/Prebid.js,prebid/Prebid.js,olafbuitelaar/Prebid.js,passit/Prebid.js,Somoaudience/Prebid.js,PWyrembak/Prebid.js,Niksok/Prebid.js,yieldbot/Prebid.js,prebid/Prebid.js,olafbuitelaar/Prebid.js,ImproveDigital/Prebid.js,varashellov/Prebid.js,Adikteev/Prebid.js,PWyrembak/Prebid.js,varashellov/Prebid.js,Adikteev/Prebid.js,HuddledMasses/Prebid.js,gumgum/Prebid.js,mcallari/Prebid.js,jbAdyoulike/Prebid.js,Niksok/Prebid.js,yieldbot/Prebid.js,PubWise/Prebid.js,ad4game/Prebid.js,jbAdyoulike/Prebid.js,tchibirev/Prebid.js,nissSK/Prebid.js,jbartek-improve/Prebid.js,tchibirev/Prebid.js,SpreeGorilla/Prebid.js,devmusings/Prebid.js,polluxnetwork/Prebid.js,gumgum/Prebid.js,PWyrembak/Prebid.js,passit/Prebid.js,nissSK/Prebid.js