[FIX] Avoid calling Collaboration code
[FIX] Avoid calling Collaboration code

 * Yes, we should use a proper extension point instead, but for now this fixes half the problem;

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