Changed the secure cookies requirement to Ian's repo
Changed the secure cookies requirement to Ian's repo

The official django-encrypted-session-cookies requirement has a
dodgy and insecure serializer by default, this changes it to one
that respects the django SESSION_SERIALIZER setting.

ministryofjustice/manchester_traffic_offences_pleas,ministryofjustice/manchester_traffic_offences_pleas,ministryofjustice/manchester_traffic_offences_pleas,ministryofjustice/manchester_traffic_offences_pleas