Initialize return data
Change dictionaries
Changes in XmlWorkers
Applying Factory Method Pattern
Merge remote-tracking branch 'origin/pele' into mazanuj

Conflicts:
	PostAds/Config/Data/DvaKolesaData.cs
	PostAds/Config/Data/MotosaleData.cs
	PostAds/Config/Data/ReturnData.cs
	PostAds/Config/Data/UsedAutoData.cs
	PostAds/XmlWorker/CaptchaXmlWorker.cs
	PostAds/XmlWorker/CityItem.cs
	PostAds/XmlWorker/CityXmlWorker.cs