Rain may be good for box offices, but it can also be a bonus for film events. The storm that started pounding Los Angeles last week led to a noticeable uptick in people buzzing around the lobby of the American Film Market at the Fairmont Century Plaza — and no doubt brought more attendees to the screenings put on at the AMC Theatre in the neighboring mall. There was much to celebrate about the AFM’s new venue — especially coming a year after the mostly-loathed trip to Las Vegas. For an industry