Pics After The Jump   Many of Snoop Dogg's celebrity friends were in attendance for the screening of his Reincarnated documentary at New York's Sunshine Cinema.   The film follows Snoop on his journey through Jamaica while recording his first reggae album of the same name with producers Diplo and Major Lazer. Snoop emerges from the experience reborn as Snoop Lion.   "Major Lazer and I had a sp…