Add a deprecation warning to the old media file content
Add a deprecation warning to the old media file content

Its admin javascript interferes with the standard raw_id_fields support.

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