Suppression des bind inutiles dans les NetworkListener
Merge branch 'master' of https://github.com/LO23/BitMusic

Conflicts:
	BitMusic/bitmusic/network/main/UDPNetworkListener.java
Merge branch 'master' of https://github.com/LO23/BitMusic into bindIssue
Merge pull request #326 from AlexisChatillon/bindIssue

Bind issue