Fix unicode errors in pdf timetable
Fix unicode errors in pdf timetable

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