Added 'fedora_model' namespace to utils.py
Added 'fedora_model' namespace to utils.py

--HG--
extra : convert_revision : svn%3A882ca7fe-3cf8-0310-95c5-f9aabef819dd/fcrepo/trunk%4043963

discoverygarden/fcrepo,adam-vessey/fcrepo,infrae/fcrepo