Fixed parameters loading/saving

- removed unused "parent" argument in importParams
- changed "ext" for "tld" in wix jid example

frontends/wix/main_window.py

@@ -404,7 +404,7 @@ class MainWindow(wx.Frame, QuickApp):
         debug("Add contact request")
         dlg = wx.TextEntryDialog(
                 self, 'Please enter new contact JID',
-                'Adding a contact', 'name@server.ext')
+                'Adding a contact', 'name@server.tld')
 
         if dlg.ShowModal() == wx.ID_OK:
             jid=JID(dlg.GetValue())