2017/03/08 v010
	1. Smooth the animation if you click the minimap twice in a very shor time.
	2. Keep show the BattlefieldMinimap when entering the dungeon if you don't close it.

2017/03/08 v009
	1. Add boss encounter marks for dungeon and raids.
	2. Re-code the addon to make the codes more clear.
	3. You can use Ctrl+mouse wheel to scale the BattlefieldMinimap more quickly.
	4. You can left-click one point at the BattlefieldMinimap to show it in the center.

2017/03/07 v008
	1. The BattlefieldMinimap's origin size is not correct, so the unit's position and land marks won't be displayed in the correct coords, fix it's size based on the WorldMap.

2017/03/07 v007
	1. Fix the tip don't show when the WorldMap reset it.
	2. The units would be shown above the other marks.

2017/03/06 v005 - v006
	1. Fix nil error, re-fix the teammate's size.
	2. Fix an error when BattlefieldMinimap not loaded.

2017/03/06 v004
	1. Fix the teammate's size on the minimap.

2017/03/06 v002-v003
	1. Fix a display error for the BattlefieldMinimapTab.
	2. Fix tip error for quest.

2017/03/03 v001
	1. Finish the first version.