What’s the Trylon about? High-brow arthouse? Foreign films? All-night horror marathons? Why not all three? A&E talked with owner Barry Kryshka and programmer John Moret (who chooses which films to play) about their recent expansion. The yet unfinished auditorium bore evidence of months of toil to be swept away in time for the theater’s reopening this weekend. Their first screening? Charlie Chaplin’s “The Great Dictator” on 35mm film.