* add/subtract money mediator
*lifebar
Merge branch 'master' of https://github.com/gollabaer/ZombieTD

Conflicts:
	ZombieTD/ZombieTD/ZombieTD/GameClasses/Objects/Score.cs
	ZombieTD/ZombieTD/ZombieTD/ZombieTD.csproj.Debug.cachefile