Add serializer for EventPerson to JSON-like object
Add serializer for EventPerson to JSON-like object

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