[FIX] Sending emails to conveners
[FIX] Sending emails to conveners

	- emails to conveners are being sent properly
	- fix#350

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