fix peer auth propagation

app/src/RoomClient.js

@@ -330,8 +330,6 @@ export default class RoomClient
 			{
 				text : 'You are logged in.'
 			}));
-		this.changeDisplayName(displayName);
-		this.changePicture(picture)
 	}
 
 	_soundNotification()

server/lib/Peer.js

@@ -106,10 +106,12 @@ class Peer extends EventEmitter
 			email && (this.email = email);
 
 			this.authenticated = true;
+			this.emit('authenticationChanged');
 		}
 		else
 		{
 			this.authenticated = false;
+			this.emit('authenticationChanged');
 		}
 	}