Water detection code reorganized, new graphics for freezer added. Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>
Simple freezer node created to test pipeworks water supply. Node has temporary textures, no formspecs and no inventories. When punched node shows if water is flowing into it via pipes. Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>