message: change roster ready event
  add roster state
  add event without namespace
diff: @@ -1562,7 +1562,8 @@ jsxc.gui.roster = {
  jsxc.notice.load();
  jsxc.gui.roster.ready = true;
  - $(document).trigger('ready.roster.jsxc');
  + $(document).trigger('ready.roster.jsxc', [rosterState]);
  + $(document).trigger('ready-roster-jsxc', [rosterState]);
  },
  /**
  