Everyone who loves movies loves being surprised by them: We love a good plot twist, a bit of evocative spookiness, an imaginative surrealistic fillip. (A cauliflower-cheeked lady singing in a radiator, anyone?) But the more movies you’ve seen, the less patience you might have with movies that try to impress you with how wiggy they are. That’s writer-director David Lowery’s Mother Mary in a velvet-lined nutshell. Anne Hathaway plays Mary, a superstar singer with an adoring fan base, a la Lady