Add basic moving in the correct tiling container.

For testing is the first window created now the window in focus,
the window can be only in the tiling direction of the container
using:
	super + h = move left
	super + l = move right
	super + j = move down
	super + l = move up
Add comments and remove commented code.
Merge pull request #29 from AirWM/windowMoving

Moving the windows with the keyboard.