www.rileyfordinc.com By Stephen Bartlett ELLENBURG — It’s been awhile since the Gibson Brothers filled the room with sound at the town hall, but new Town Supervisor Dave Leonard hopes the up- stairs theater will soon host lots of acts like those. It’s been 10 years since the “and Theater” part of the town hall sign advertised an active performance venue. It was closed in 2002 after the fire escape leading from the second-story stage was deemed unsafe. “Which is a shame really,