For years, before the stop-motion animation wizards of England’s Aardman Animations introduced themselves to a mass audience with the feature film “Chicken Run” in 2000, they had been delighting fans with award-winning short films starring the mild-mannered duo of British inventor and cheese lover Wallace and his faithful dog, Gromit. The pair of unassuming heroes made it to the big screen themselves in 2005’s “Wallace & Gromit: The Curse of the Were-Rabbit,” a well-received spoof of monster movies. ‘Chicken Run: Dawn of the Nugget’ review: Fun but not quite poultry in motion /*!