`FORMAT_CHOICES` can't actually accept blank strings. This should no-op.
`FORMAT_CHOICES` can't actually accept blank strings. This should no-op.

nickburlett/feincms,michaelkuty/feincms,mjl/feincms,nickburlett/feincms,michaelkuty/feincms,feincms/feincms,mjl/feincms,nickburlett/feincms,feincms/feincms,matthiask/feincms2-content,feincms/feincms,matthiask/django-content-editor,matthiask/django-content-editor,joshuajonah/feincms,michaelkuty/feincms,joshuajonah/feincms,matthiask/django-content-editor,nickburlett/feincms,joshuajonah/feincms,mjl/feincms,joshuajonah/feincms,matthiask/feincms2-content,matthiask/django-content-editor,matthiask/feincms2-content,michaelkuty/feincms