Merge pull request #22 from DrkSephy/master

Added first fancy animation, adding more items for item catalogue
Hooked up battle animation overlay. Fixed some properties' scope. Added comments to properties.
Added units' data display (some placeholders) for battle animation screen.
Added health bars to battle animation screen.
Added terrain detection for battle animation screen.
Updated task tree. Minor renaming of state names in preparation for future updates to battle states.
Updated records.