Magic Cube

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)

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

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