The Independent Spirit Awards, conceived 30 years ago as a sort of impertinent anti-Oscars, has developed into an awards show with a clout, and a charm, all its own. Held the day before the Oscars, when all the film talent already is in town, it celebrates the movies not released by major studios – and these days, that means a lot of really good, interesting movies. This awards show is repeated in prime time at 10 p.m. ET, but if you want to watch it live, IFC is televising it as it unfurl