Fix image base urls on help page
Fix image base urls on help page

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