- List all used WoW API functions as allowed globals for the FindGlobals script
- Add migration code for the new spell overlays
- Don't register for events which are not used
- Replace Blizzards OverlayGlow with our own to avoid potentially tainting the overlay glow storage.
- Handle more events that require a button update
- Update copyright header
- Upvalue Lua built-ins
- Fix variable name when assigning item links to buttons