Add basic HUD, tile collisions, Cheats class, entity changes

Adds a class for processing and drawing a HUD with dynamic data. Adds
information for tile collision data and begins basic entity gravity collisions.
Adds a class for storing enables for cheats to be processed in other areas.
Makes entities process with their own methods and other reorganization.
Merge branch 'master' of github.com:ViolentGentlemenStudios/Riot-Total-Anarchy

Conflicts:
	com/violentgentlemenstudios/riot/res/imageindex.properties