increased modularity in keyed movement
cleaned up pointer dragging
improved readability, little functional change
Merge branch 'CameraPanning' of https://github.com/meggers/devMaze into CameraPanning

Conflicts:
	DevMaze/src/com/devtalk/maze/GameFrame.java
fixed errors from merging branch, I didn't have a gui diff tool :(
Merge branch 'CameraPanning'
house cleaning