ajout automate poseEscalier
ajout auto et primitive escalier, marche à priori
Merge branch 'master' of https://github.com/Nexucis/Lemmings

Conflicts:
	src/item/$Lemmings.java
	src/ordonnanceur/Ordonnanceur.java
Merge branch 'master' of https://github.com/Nexucis/Lemmings

Conflicts:
	src/interfGraph/Fenetre.java
	src/interfGraph/carte/Carte.java