Change keyboard movement functionality
Change keyboard movement functionality

-Create boolean variables indicating the direction of movement.
-Create velocity, acceleration, gravity and speed limit variables to control physic parameters
-right(): remove function.
-left(): remove function.
-jump(): remove function.
-draw(): remove function.
-move(): rename function to draw() and move the drawImage call to this.
-move(): alter to set x-velocity and subsequent x-position if left/right toggle is set.
-bounce(): set this to call draw() each timeInterval().

gbeall78/squishy