Avoid crashing tree_editor when there are no pages (ie. empty site).
Avoid crashing tree_editor when there are no pages (ie. empty site).
matthiask/django-content-editor,matthiask/feincms2-content,mjl/feincms,michaelkuty/feincms,pjdelport/feincms,matthiask/django-content-editor,michaelkuty/feincms,matthiask/django-content-editor,hgrimelid/feincms,joshuajonah/feincms,pjdelport/feincms,joshuajonah/feincms,hgrimelid/feincms,matthiask/django-content-editor,joshuajonah/feincms,joshuajonah/feincms,michaelkuty/feincms,feincms/feincms,matthiask/feincms2-content,feincms/feincms,mjl/feincms,nickburlett/feincms,feincms/feincms,nickburlett/feincms,matthiask/feincms2-content,hgrimelid/feincms,michaelkuty/feincms,pjdelport/feincms,nickburlett/feincms,nickburlett/feincms,mjl/feincms