Magic Cube

Introduce three sizes of UI images: small, medium, large.

Save the name of the current state to Shared Prefs (and not the ordinal which might change in the future!)

Make the margins and paddings proportional to screen size.

Object node: size of screenWidth.

Improvements to the Menu.

clear moves when the change the object.

cube_back and cube_solve buttons.

Remove the 'MAIN' state.
Fix one crasher with two-fingered dragging in the View.

Improve setting text size in Spinners (forgotten part).

Improve setting text size in Spinners.