Return AdminLog.document field wrapped in URL to its list view.

def generic_document_type_formatter(view, context, model, name):
    """Return AdminLog.document field wrapped in URL to its list view."""
    _document_model = model.get('document').document_type
    url = _document_model.get_admin_list_url()
    return Markup('<a href="%s">%s</a>' % (url, _document_model.__name__))