It allows to propagate the date change in the simulation without having frozen
movement.

It is needed by the open order simulation alarm, which uses the indexation
timestamp.

One is enough.

Change the ticket resource and inform the customer.

Cancel invoice if user removes his instances.

Regularisation Request are now used instead of Support Request.

This alarm send the first invoice reminder to the user.

This will be handle by global alarm to check the user status, and not invoice
by invoice.