TwistyPuzzleLib

improvements to the Touch App

Progress with Ghost Pyramid. Still does not move fully ok

Ghost Pyramid: tutorials, JSONs, mesh.

Special 'ghost rotation always permitted' mode for the case when mGhostAngle divides the basic angle (Ghost Pyramid: 60 | 120 )

Correct cuts in the Ghost Pyramid

now the cuts in the Ghost Pyramid can be arbitrarily moved

improve the Ghost Pyramid

beginnings of support for Ghost Pyramid

remove debug

1. fix Ghost 2x2
2. abstract out the TwistyGhostAbstract (in preparation for Ghost Pyramid & Ghost Skewb)