In the shadowplay acting out your own death knowing no more. Joy Division, the mercurial Manchester based masters of dark post punk sounds, who in Ian Curtis had one of the eras most tortured souls. Directed by Grant Gee and written by Jon Savage, this documentary actually brings nothing new to the table for hardened fans of the band, of which I am unashamedly amongst that number. There is a tendency with musical documentaries to be over praised by fans simply because, well, they just love to see their idols/heroes/inspirations up there on the screen. Grant Gee's film has strong merits as an…