Magic Cube

Convert bandaged Cubes to the standard mesh creation code.

Move the TwistyObject.retCubePosition() to the solver.

Standarize drawing stickers of a twisty puzzle. From now on, there's no 'sticker drawing' code in the individual classes, only some constants.

Use a trick to avoid having to correct the center sticker of the Kilominx.

Convert the last 'special' case, the Rex edge sticker, to the generic sticker mechanism.

Convert the Rex corner sticker to the new mechanism.

Generalize FactorySticker - make it possible to draw stickers whose sides are curved.
Convert the Ivy to use this new functionality.

Make the Pyraminxes a bit bigger by default - improvement.

Make the Pyraminxes a bit bigger by default.

Minor.