Future has been a superstar for 15 years, and his new video announcement still puts the director's name in the title. That's because Cole Bennett is the only director in hip-hop whose credit sells the video itself. Music video directors have always been work for hire. The label pays the fee, the video goes up on the artist's VEVO, and the director's name flashes in the bottom corner for two seconds. Hype Williams defined the entire look of 90s hip-hop and owns none of it. Cole Bennett ran the…