For the last two months the 2012 Rockstar Energy Drink Mayhem Festival has been bringing a healthy dose of metal and mayhem to stops across the U.S. After finally making its way to the East Coast, the metal extravaganza wraps up today (Aug. 5) clocking in its last show at the Comcast Centre in Hartford. Conn. Boasting a three stage monster lineup, the 2012 class of Mayhem Fest may have