fixed a bug related to control schemes not saving properly in the new UI. Added animations for the big eye
added animations and prefabs for more good balls. Will now spawn different colour ball types during arcade mode
made the arcade colours a little lighter
fixed a problem where the player's center of mass was being changed everything a ball got added causing strange annoying acceleration problems
rejiggered goals so that they they hold the state of the time but this is updated by the GameGUI manager script which keeps a copy of of the time in the scene for UI elements to reference
cleaned up GameGUI a bit
added a scrolling background to arcade mode that goes down as your time runs out
took the modifications out of arcade mode
added an animation to the bonus ball