fixed a problem with extra fields and better validation errors

applications/welcome/controllers/default.py

@@ -9,9 +9,6 @@
 ## - api is an example of Hypermedia API support and access control
 #########################################################################
 
-def test():
-    return locals()
-
 def index():
     """
     example action using the internationalization operator T and flash

applications/welcome/models/db.py

@@ -50,7 +50,6 @@ service = Service()
 plugins = PluginManager()
 
 ## create all tables needed by auth if not custom tables
-auth.settings.extra_fields['auth_user'] = [Field('claims','list:string')]
 auth.define_tables(username=False, signature=False)
 
 ## configure email