ajouter dijkstra.java
fini tp6
fini tp8
bloquer a algorithme
	deleted:    src/ABox.java
	deleted:    src/ASetInterface.java
	deleted:    src/DBox.java
	deleted:    src/Dijkstra.java
	deleted:    src/EBox.java
	deleted:    src/GraphInterface.java
	deleted:    src/MBox.java
	deleted:    src/Maze.java
	deleted:    src/MazeReadingException.java
	deleted:    src/PiInterface.java
	deleted:    src/PreviousInterface.java
	deleted:    src/VertexInterface.java
	deleted:    src/WBox.java
finir l'algorithme pour afficher la plus courte distance, il reste a faire pour afficher le path