Refactor supporting recent changes to guacamole-common-js (removal of getLayers() from Guacamole.Client, changes to Guacamole.Client constructor prototype, and addition of Guacamole.Client.getDisplay()).

guacamole/src/main/webapp/client.xhtml

@@ -103,10 +103,12 @@
 
                     // Instantiate client
                     var guac = new Guacamole.Client(
-                        GuacamoleUI.display,
                         new Guacamole.HTTPTunnel("tunnel")
                     );
 
+                    // Add client to UI
+                    GuacamoleUI.display.appendChild(guac.getDisplay());
+
                     // Tie UI to client
                     GuacamoleUI.attach(guac);