Alissa Simon Film CriticOne of several animated biopics about to segue from the festival circuit to the big screen, “Josep” is a slim but engaging tribute to the legacy of Spanish artist Josep Bartolí (1910-95), a Catalonian republican whose Goya-esque drawings of his time in French concentration camps inspired the film’s Gallic helmer and art director Aurel (birth name Aurélien Froment), himself an acclaimed press illustrator and cartoonist.