Merge Dev_treatement
Merge Dev_treatement
Merge LO23/master

Conflicts:
	BitMusic/bitmusic/network/main/Controller.java
Merge LO23/master

Conflicts:
	BitMusic/bitmusic/network/main/Controller.java
Merge pull request #126 from duboihug/master

Ajout des fonction treatment des Messages de connection user, replyConnection user et logOut