Renamed DisplayType to RenderMode
Universe is no longer a RealObject
Pulled getDirection() up into RealObject
Added dimensions to projector
Pushed getDimensions() down from Screen
Minor Fix
Added setters
Pushed Face.getDimensions() down to RectangularFace
Pulled RectangularFace.getDirection up to Face
Directional Fixes
Added Rotation3f to represent a series of rotations around the x/y/z axes