Magic Cube

New 'Free Play' screen.

Make the size of the text in the spinners in the bandaged activity look right on all screen sizes.

Correctly get the whole size fo the screen (along with thee top and bottom system bars) from the very beginning of the Activity.

A few code improvements.

Make the 4 built-in BandagedCuboids use the introduced InitData concept and remove all specific bandaged object classes.

Introduce InitData, a data structure used to initialize a TwistyObject.
Current (optional) members: int[] numLayers, int param [intended: type of the Crazy 3x3 planet], float[][] pos [position of a bandaged cube] )

minor

Improve two things in the BandagedCreator:

- when one minimizes the app and re-maximizes it, now the app remembers the state of the bandaged cube being created
- when one minimizes the app while one of th cubits is marked, it no longer gets marked the second time on re-maximizaton (which was the reason why some cubits sometimes couldn't be unmarked).

Correct a crasher.

Finally fix the bad bug where people could submit impossible records!