4/28 Patch

Some more bug fixes and improvements for the DLC! [list] [*] Fixed some errors that could cause crashes while loading the main menu [*] Fixed loading a single shell into the Annihilator Prototype always going into the right barrel [*] Fixed some incorrect menu text [*] Added bumblebee ammo pickup to level editor [*] Fixed the moonbase vortex portal sometimes taking you to the wrong chapter [*] Decreased volume of Bumblebee audio [/list]