Migrate session block conveners
Migrate session block conveners

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