Don't think I want to deal with the resultant spam
Add a note about Python 3 compatibility
Allow top-level navigation elements which aren't links

Previously, all top-level navigation elements had themselves
as their first child, which meant it wasn't possible to have
dummy navigation elements, which themselves didn't link to
anything.
Add a note about footer styling
Footer tweaks
Fix server error when choosing images

I broke this when I removed the permissions member from all
these views.
Skip over pages without URLs