in order to avoid rails 3 deprecation warnings
Change-Id: If4c6ece9496e1161718770420384003de23f0421
Reviewed-on: https://gerrit.instructure.com/28206
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Cody Cutrer <cody@instructure.com>
Product-Review: James Williams <jamesw@instructure.com>
QA-Review: James Williams <jamesw@instructure.com>