Fix up enemy system and don't let the collision system manage enemies
Redo emitter system
Rely less on components and just use groups for determining bullets

Also add bullets generating explosions on hits
Improve the PlayerInputSystem
Generic cleanup of some things and fix bounds
Never committed emitter
More cleanup, relocated core game variables into BeatshotGame
Add functional bullet factory (only used right now by the player)
Added harder formations
Cleanup with eclipse

Also slightly improve collision logic
Fix input lag by using input processor again

Also fix fullscreen and maintain aspect ratio
Adjust collision again