WowAce

Hendrik Leppkes:
    - Refactor state changing logic, update handler is now directly called from the restricted env scripts instead of channeld through OnAttributeChanged.
    - Fix spell API mappings for differences in SpellID and SpellBookID.
    - Big implementation push, containing pre-lim spell button, drag'n'drop of spells (partially working), and alot of refactoring.
    - Restructure stuff and fix some typos.
    - Fix some reversed logic.
    - Implement the action type.
    - Basic first implementation.
    - Imported empty skeleton.