Magic Cube

Stars: introductory dialog explaining the concept of stars.

Stars Overlay: fix the 'negative numbers of new stars' mode.

Stars Overlay: implement zero and negative numbers of new stars.

Minor.

Minor.

Minor

Changes to the initialization - initialize the 'bought objects'

correct the stars animation.
corect number of stars earned in level 8.

'Stars' animation: support totalStars up to 5 digits long, i.e. up to 99999.

Now the 'stars' animation should fulling work, even on the physical LG phone.