Changed the "edit local roles" screen to filter out the new inherent

'Authenticated' role from the list of local roles that can be given
to the selected user.

lib/python/AccessControl/dtml/editLocalRoles.dtml

@@ -33,7 +33,7 @@ Save Changes</em> button.
 <dtml-with "_(user_roles=get_local_roles_for_userid(userid))">
   <select name="roles:list" size="5" multiple>
 <dtml-in valid_roles><dtml-if 
-"_vars['sequence-item'] not in ('Anonymous', 'Shared')">
+"_vars['sequence-item'] not in ('Anonymous', 'Shared', 'Authenticated')">
 <option value="<dtml-var sequence-item html_quote>"<dtml-if 
 "_['sequence-item'] in user_roles"> selected</dtml-if>><dtml-var 
 sequence-item>