Magic Cube

Purchase Pane: post-purchase dialogs.

Purchase Pane: buttons (part2)

Purchase Pane: buttons

Purchase Pane: resources.

Fix marking objects as free.

Merge remote-tracking branch 'origin/master'

1. Conflicts:
2. src/main/java/org/distorted/objects/RubikObjectList.java

Fix marking objects as free.

Fix marking objects as free.

Bugfix: properly display number of stars on new installs.

Stars dialog: chinese translations.

fix showing the number of stars on app startup.

improve the stars dialog.

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.

Stars animation: looks like if we do not switch off the depthMask and stencilMask of the OverlayNode, then the crash on my physical LG phone goes away.

Stars animation: support spending stars.

make the little flying stars disappear in the end.