TwistyPuzzleLib

Cleanup

Merge branch 'separate-mesh'

1. Conflicts:
2. src/main/java/org/distorted/objectlib/main/TwistyObject.java

bugfix (move iconode to TwistyObjectWithMesh as mesh creation sometimes depends on the mode)

preparation for separating Mesh into its own class

port fixes from master

Fix for crazy puzzles

Fix for improper calculations of circumscribed radius

Important fix the NORMAL face axis (COIN,COIH)

Carve out another, 2nd layer from TwistyObject: everything related to creating its Mesh.

Minor