Update README.md, add peer in node modules, add peerjs basic server
Add peerjs server on git, update bower config with peerjs, add debug value in config for peerjs, add basic feature of peerjs for client side
Delete useless code
Add MediaConnection for audio/video
Fix bugs, use dataconnection instead of websocket
Fix bug on client disconnection
Fix bug on sendStreamState
Use mediaconnection to exchange audio/video stream
Merge pull request #200 from Frumba/PeerJs

Conflicts:
	app/static/scripts/connections.coffee
	app/views/room.jade
	bower.json
switch to socket.io
clean replacement of ws
handle server deconnections
remove all ws allusions
Merge pull request #201 from Paulloz/socketio