Make contact_email default to '' in DB
Make contact_email default to '' in DB

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