Source I am sure that everybody heard about the Green Day’s problems, and how Billie crashed his guitar at iHeartRadio Music Festival, and everybody thought that his act was very punk-rock, but he was actually having some drug issues; and the fact that they canceled their concerts, etc, etc. Well, great news everybody: Green Day is back on stage starting 28th March 2013, (they actually rescheduled their canceled tour ).In a…