“For the first time in the festival’s 22 years, Sundance jurors and audience members gave the same two films grand prizes in the documentary and dramatic competitions. “God Grew Tired of Us,” a look at the so-called lost boys of the Sudan and their relocation to the United States, swept both documentary awards, and “Quinceañera,” the coming-of-age story of a Hispanic girl in a gentrifying Los Angeles neighborhood, won the dramatic prizes.”