As Hollywood continues to roll out films about seemingly every A-list classic rock and hip-hop artist, it's fair to wonder who will be left. When Antoine Fuqua’s “Michael” hits theaters this weekend, it will mark the end of a lengthy journey to the big screen. Or the end of the beginning, at least, as sequels appear to be coming whether we like it or not. The Michael Jackson biopic battled myriad production troubles ( many of which were self-inflicted ), but it’s finally ready to entertain