Fix unicode issue in PDF timetable sess conveners
Fix unicode issue in PDF timetable sess conveners

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