Singleton GameScreen
Collision buchbuch / arbre
Buchbuch depack
Merge branch 'formationTeam'

Conflicts:
	src/com/buchbuchteam/buchbuch/model/entities/BuchBuch.java
Merge branch 'master' of https://github.com/Warrows/GGJ2014-BuchBuchTeam

Conflicts:
	src/com/buchbuchteam/buchbuch/model/entities/BuchBuch.java
Proto