By Al Masino Contributing Writer artsent.asp@gmail.com April 14, 2015 Credit:http://www.myk104.comThe Comedy Central Roast of Justin Bieber aired on March 21. “This was supposed to be a birthday present,” said a bruised Bieber at the end of his roast. He further reflected, “When I tell people what I got for my 21st birthday, I get to…