Hardcore project mixed with m1 & m2

Version 1: Added Defense Drone, Hulk, Evil Defense Drone, and some new wall textures Version 1.1: Added New Automatic Shotgun Version 1.2: Fixed Defense Drone Hit Sounds Version 1.3: Fixed Hulk melee attack Version 1.4: changed hulks health 3000 to 1000, increase bobs health slightly, changed weapon strength slightly, warning all weapons will disappear when they have no ammo, missile launcher has a 2nd trigger shoots two missiles at once.