fixed menus in auth.wiki()

applications/welcome/models/menu.py

@@ -10,6 +10,7 @@ response.logo = A(B('web',SPAN(2),'py'),XML('™ '),
 response.title = ' '.join(
     word.capitalize() for word in request.application.split('_'))
 response.subtitle = T('customize me!')
+response.masterhad = None
 
 ## read more at http://dev.w3.org/html5/markup/meta.name.html
 response.meta.author = 'Your Name <you@example.com>'