Bump django-reversion to 1.9.2
Bump django-reversion to 1.9.2

njl/pycon,PyCon/pycon,PyCon/pycon,Diwahars/pycon,Diwahars/pycon,njl/pycon,Diwahars/pycon,njl/pycon,PyCon/pycon,PyCon/pycon,njl/pycon,Diwahars/pycon