Fifty years ago this spring, Stanley Kubrick’s confounding sci-fi masterpiece, “2001: A Space Odyssey,” had its premières across the country. In the annals of audience restlessness, these evenings rival the opening night of Stravinsky’s “Rite of Spring,” in 1913, when Parisians in osprey and tails reportedly brandished their canes and pelted the dancers with objects. […]