[FIX] Conference title overflows abstract booklet
[FIX] Conference title overflows abstract booklet

- Changed method to write the conference title and drawing the logo.
- Closes #828.

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