Formalize the concept of a NonPage that can appear in the site-map, useful for
non-clickable sidebar menu divisions, for example. Convert "hacky" fake Pages
into NonPages in the site-map.
Also, pass page=self to every view as a keyword argument when generating the
Django urlpatterns.
Patch by: Todd Larsen
Review by: to-be-reviewed
release: "1.1.5"
timestamp: 1222740096
api_versions: ['1']