added grid-like form to setup schedule dates/rooms per activity
added grid-like form to setup schedule dates/rooms per activity

bkahlerventer/web2congress,tectronics/web2conf,bkahlerventer/web2congress,reingart/web2conf_googlecode,bkahlerventer/web2congress,tectronics/web2conf,tectronics/web2conf,tectronics/web2conf,reingart/web2conf_googlecode,reingart/web2conf_googlecode,reingart/web2conf_googlecode,bkahlerventer/web2congress