renamed Sprite to OwnSprite
OwnSprite now uses Sprites

replaced texture with libGDX Sprites. these are now also correctly
scaled
fixed delta to be in milliseconds
set camera movement to arrow keys
SlickRectangles now use libGDX
renamed rectangles
fixed slick rectangle y axis
fixed colors of rectangles
Circles now use libgdx, too
rectangles and circles now use libGDX cameras