Magic Cube

Finally remove cubit creation from the implementation classes and move it to the TwistyObject.

Convert the last object, Skewb Ultimate, to the new scheme.

Convert the two Squares to the new scheme.

Convert Skewb to the new scheme. New smaller mesh for the Master Skewb.

Convert Rex Cube to the new scheme.

Convert Redi Cube to the new scheme.

Convert Pyraminx to the new scheme. Make Pyra4 and Pyra5 meshes much smaller.

Convert Megaminx to the new scheme.

New, smaller Master Kilominx mesh.

Move 1) Jing 2) Kilominx to the new cubit creation scheme.
Make the Master Kilominx mesh a bit smaller.