Magic Cube

bugfix: do not use ListObjects in the app anywhere except the RubikObjectList and RubikObject.

In particular, stop using it in the Solver part of the app. Now after this bugfix we can rearrange the objects in the ListObjects at will.

Reconfigure for Java 11
Beginnings of real support for moving objects around in ListObjects

Move all the strings from objlib to the app.
Upgrade AGP from 8.1.4 to 8.3.2

minor

Initial support for Algorithmic Kilominx verifier and introduction of it into the App.

Properly define and separate the interface between the App and the 'solver' part of the objectlib. Move the 'position verifiers' to the objectlib.

Beginning of support for more than one solver per object.

Restructuring for the solvers in the app.

Progeress towards automatically integrating the Algorithmic solvers into the list of solvers in the App.

add new shape category to the main grid list: CUBOIDS.