Reviewed by GREG KING Director: Rhys Graham Stars: Ashleigh Cummings, Toby Wallace, Lily Sulliva, Aliki Matangi, Maya Stange, .There have been lots of coming-of-age dramas about the messy, dysfunctional and self-destructive lives of teenagers and the carefree joys of being 17, making choices without regard to the consequences, and feeling …