On the heels of “120 beats per minute,” a unanimous hit last year in Cannes, is Christophe Honoré’s “Plaire, aimer et courir vite,” a film that's in the running for a Palme D’Or. Like “120,” “Plaire” is set in the nineties and conjures up memories of a catastrophic decade for the gay community, one in which the gay community was decimated by the AIDS virus. In “Plaire,” which the Bretagne-born Honoré wrote and directed, an ironic