2.1.0
- Added "/qk scale" to set the tracker scale.
- Added "advanced background" option for better looking backgrounds.
- Fixed the default objective tracker re-appearing after visiting the barber.
- Fixed the scenario stage objective overlay appearing twice when zoning into
	a scenario or dungeon. (Workaround for Blizzard bug with LevelUpDisplay.)
- Cleaned up some code.

2.0.0
- Massive re-write for WoD.
