new file:   src/graph/Edge.java
	new file:   src/graph/Graph.java
	new file:   src/graph/Vertex.java
	new file:   src/smiley/Agent.java
	new file:   src/smiley/Cami.java
	new file:   src/smiley/Ciutat.java
	new file:   src/smiley/Itinerari.java
	new file:   src/smiley/Main.java
	new file:   src/smiley/Mapa.java
	new file:   src/smiley/Reunio.java
	new file:   src/smiley/Tram.java