Gold Digger Landscape:
1. Remove restorePurchases & nonConsumableItem templates and item separator.
2. Add items background by category. Revert the item internal element to 100x100 (instead of stretching it).
3. Add category titles' active & inactive background & style.
4. Fix "end of scroller" issue.
5. Enlarge the main panel.
6. Show items' balance.

New bugs:
a. iScroll / doesn't snap to LI element, and categories title doesn't move the scroller to the right place.
b. item balance is pushing the items' visual image to the left instead of floating.

TODO:
*. move the new *CategoryTitle* from "theme.common" to it's own object.