Magic Cube

minor

Bump to version 2.1.1 ; About dialog.

System library issue.

remove references to PurchaseActivity from manifest.

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

Fix selected colors in case of the orange and pink themes.

Fix the association between a RubikObject and its solvers and patterns.

Before, if we rearranged the objects order in the main screen, this would break down.

Minor

Make the default UI color scheme be GREEN
Up versino to 2.1.0
About dialog: new & todo

Fix the problem with scaling of locally-created bandaged objects.