[FIX] Allow registrars to access/modify registrant
[FIX] Allow registrars to access/modify registrant

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