DCist’s highly subjective and hardly comprehensive guide to the most interesting movies playing around town in the coming week. Five Easy Pieces Whenever I hear someone criticize Jack Nicholson as an overrated actor, just a crazy personality who repeats the same basic shtick again and again, I always point them toward this film. Nicholson plays Bobby Dupea, a shiftless early thirty-something who has forsaken his intellectual family of classically trained musicians in favor of a…