Magic Cube

Use the off-center objects to display the object in Tutorial mode properly.
Now it is not covered by the right bar!

Move RubikControl to objectlib (as 'ObjectAutomator')
Hide ObjectPreRender inside objectlib and move its APi to ObjectControl.

Move yet more code to objectlib.

Remove all the flags - those are now in a separate module

add two missing files

Remove all files that have been separated into a new library 'objectlib'

Rename some assets for consistency

Make the Kilo and Megaminxes standard size (dodecahedron size=3,5, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make the Ultimate standard size (dodecahedron size=2, i.e. equal to numLayers so that DIST2D and DIST3D are standard)

Make the Skewbs standard size (cube size=2,3, i.e. equal to numLayers so that DIST2D and DIST3D are standard)