Writer/director Leon Ford's feature debut “Griff The Invisible” is a cute, quirky film that, for all its good intentions, just doesn't quite come together the way it should. Starring Ryan Kwanten (“True Blood”) and Maeve Dermody (“Black Water”), this all-Aussie production takes its cues from beloved awkward-rom-coms like “Amelie” and “Benny & Joon.” Like Depp's character in that film, Kwanten's character, Griff, seems to suffer from some sort of vague mental