Fix XML bug
Merge branch 'develop' of github.com:dragibus-4if/dragibus-devoo into develop

Conflicts:
	OptiFret/src/controller/MainController.java
	OptiFret/src/model/DeliverySheet.java
	OptiFret/src/model/RoadNetwork.java
Remise de putain de getNodeById de merde Pierre t'es trop relou t'as cassé l'UML
Fix boutons grisés