Added a method for extracting animations
Added documentation, moving frame listener to another class
AnimationController class handles entity animations
Basic controls for animation: stop, pause, resume, setSpeed
Octree scene manager instead of default scene manager. Prototype world loaded.
Moved camera control code and character movement code to class EntityPlayer rather than having it in App
Input listener class no longer abstract, so only methods that are required need to be implemented
Added camera zooming support via mouse scroll