Trigger a refresh of the players list when someone logs in

www/screen/hall.js

@@ -57,6 +57,7 @@ Screen.Hall = function(modules) {
     modules.messaging.addEventListener(["LogIn"], function(o) {
       console.log("Someone joined in, they should be added to the lists");
       console.log(o);
+      refreshPlayers();
     });
 
     modules.messaging.addEventListener(["Relay", "Invitation"], function(o) {