* boards/ballcatch.xml.in: now moved level 1 in computer section
	* boards/images/beach.png: created with inkscape by bruno
	* src/boards/python/ballcatch.py: completed the game. level management is ok.
	* src/boards/python/redraw.py: type fix
	* boards/colors/colors_bg.jpg: added little color spot and set a no gradient color in