A better way to add site-wide ToS link to *all* pages on the site.
getUniversalContext() already fetches a copy of the Site settings, so use that
to see if the site-wide ToS exist and produce a link.
Patch by: Todd Larsen
Review by: to-be-reviewed
# Django settings for the example project.
DEBUG = True
TEMPLATE_DEBUG = DEBUG
ROOT_URLCONF = 'examples.urls'