5333 add policies for referentials syncing
Created by: zog
Depend de https://github.com/af83/stif-boiv/pull/155 et https://github.com/af83/stif-boiv/pull/153
Created by: zog
Depend de https://github.com/af83/stif-boiv/pull/155 et https://github.com/af83/stif-boiv/pull/153