A quick-and-dirty way to create non-link sub-menu dividers, plus a TODO on
how this should be formalizes to not be so hacky.
This change was inspired by the ever-growing "Site" sidebar menu.
Patch by: Todd larsen
Review by: to-be-reviewed
# Django settings for the example project.
DEBUG = True
TEMPLATE_DEBUG = DEBUG
ROOT_URLCONF = 'examples.urls'