Move some stuff to separate Plugin initialize() function
Move some stuff to separate Plugin initialize() function

conflicted because of previously not static declaration of QvitterPlugin::settings

netzkombinat/Qvitter,llebegue/qvitter,llebegue/qvitter,GreenLunar/qvitter,netzkombinat/Qvitter,mitchellurgero/Qvitter,GreenLunar/qvitter,hannesmannerheim/qvitter,hannesmannerheim/qvitter,mitchellurgero/Qvitter