Log Message:
wm/shod: update to 2.2.0

-Added dock and dockapp support.
-Added -c option.
-Added snap-to-edge attraction.
-Added shaded container state
-Added tiling factor when resizing window.
-Added config.h
-Added hand mouse cursor for left button.
-Fixed support for transparent windows (#3)
-Changed most command-line options to X Resources.
-Changed decoration code (using colors rather than pixmaps).
-Removed motion event handling.