Progress creating the Tutorial Dialog.
Rename some classes.
Add Pyraminx4 Pretty Patterns.
Add Pyraminx3 Pretty Patterns.
More support for the 3x3x3 Solver: more of the actual 3x3x3 solver mechanism.
Minor
Introduce RubikPatternsList. Now, if one wants to contribute patterns for a new object, all one has to be is give the list of strings describing the patterns and add them to the List.