[FIX] skipjack modify url
[FIX] skipjack modify url

 - Takes the url from the DB instead of being hardcoded
 - closes defect #661

DirkHoffmann/indico,indico/indico,mic4ael/indico,mvidalgarcia/indico,indico/indico,DirkHoffmann/indico,mvidalgarcia/indico,DirkHoffmann/indico,indico/indico,OmeGak/indico,DirkHoffmann/indico,mic4ael/indico,indico/indico,mvidalgarcia/indico,OmeGak/indico,mic4ael/indico,OmeGak/indico,ThiefMaster/indico,OmeGak/indico,ThiefMaster/indico,ThiefMaster/indico,mic4ael/indico,pferreir/indico,pferreir/indico,pferreir/indico,ThiefMaster/indico,mvidalgarcia/indico,pferreir/indico