Added exception when given appId is already set to one of the users.
Change in method name.
Added methods for returning FeaturedOffers/HotDeals
Merge remote-tracking branch 'origin/TA-1' into TA-2
Changes in function that fetch offer from link, and transform it into entity.
Buzz is now set as service (with calls to set SSL check/set timeout), jsonrpc configuration moved to separate file.
Jsonrpc configuration moved to separate file.
Duration field in offer entity is now set as array.
Added function to transform single JSON response from Qtravel OfferAPI into entity.
Merge remote-tracking branch 'origin/master' into TA-2