Lionsgate has set an Aug. 7 release in the U.S. for the stop-motion “Shaun the Sheep Movie” from StudioCanal and Aardman Animations. The film, a spinoff of the long-running TV series, has already grossed $54 million in its international release. “Shaun the Sheep” airs in over 170 territories and was first seen in Aardman’s short...