added spells, clear them.  Known bugs: monsters move faster second time, towers acting funny second time. spell rage and heal need implementation and test. Balance issues and clean up code/comment.
Merge branch 'master' of https://github.com/Shukrat/GDAPS2GameProject

Conflicts:
	4D13 Game and Tool/4D13TowerDefenseGame/4D13TowerDefenseGame/GS_Game_LoadMap.cs
	4D13 Game and Tool/4D13TowerDefenseGame/4D13TowerDefenseGame/GS_Game_LoadScreen.cs