Changed the return of textures in ResourceManager to TextureRegions
Added a TextureDefinition for handling different densities
Renamed textureDefinition to TextureHolder and implemented support for TextureAtlas
Extracted TextureType to it's own class named TextureDefinition
Added full HD mountain slices
Added HD ready mountain slices
Removed old mountain texture def, fixed atlas files
Added HD ready player ship
Merging in hdGraphics branch