Improve FactorySticker
Bandaged 3x3: fix concave rounded corners.
Progress with concave stickers.
Support for concave stickers (part1)
Configurable internal colors. This somehow screwed up the Container!
Progress standarising stickering.
Improve stickering - while drawing a sticker, set stencil to its area so the drawing does not encroach on the neighbouring stickers.
Bugfixes for the shape of Megaminxes.
Move more code to objectlib.