Remove statics from the Square classes.
Convert Square-2 to the new generic scrambling algorithm.
In order to do it we need to introduce a third, artificial rotational axis - otherwise the algorithm would make it impossible to rotate the lower layer and immediatelly after - the upper.
Fix the Square-2 isSolved() (it was wrong even before!)
Standarize the 'isSolved()' method: now all objects, except one (Dino4) have a standard isSolved().This incidentally also fixes detection of the solved state in case of Diamond4, i.e. a Master FTO.
Finally remove cubit creation from the implementation classes and move it to the TwistyObject.
Convert the two Squares to the new scheme.
Convert the Ivy corner cubit to the new, 'universal' cubit creation method.
This forces deep changes to 'createRoundSolid' and the underlying 'MeshPolygon' class to make them support arbitrary Polygon 'centers of face convexity'.
Reason: the faces of this cubit are concave and such default 'center of face convexity' (which by default used to be (0,0)) turned to lie outside the face - which produces strange visual artifacts.
Standarize drawing stickers of a twisty puzzle. From now on, there's no 'sticker drawing' code in the individual classes, only some constants.
Convert the last 'special' case, the Rex edge sticker, to the generic sticker mechanism.
Generalize FactorySticker - make it possible to draw stickers whose sides are curved.Convert the Ivy to use this new functionality.
Preparation for 'smart scrambling' : introduce the total number of scrambles to the 'randomizeNewScramble' function.
Square-2: correct detecting the solved state.
Squares: add tutorials.Correct the order of objects in the tutorial dialog.
Square-2: minor.
Square-2 fix.
Square-2: progress.
Introduce Square-2 (unfinished)