[FIX] Chairpersons' priviliges - event creation
[FIX] Chairpersons' priviliges - event creation

	- 'name' attribute was added to grant priviliges checkbox
	- fix#483

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