Link is only available when the reference is generated.

Activity speed is quiet fast now.

There is no user for Slave Instances, so use super user instead.

New authentication ways allow to have multiple user with the same email.

Do not use modification date anymore, as it can not be trusted to check slapgrid access

Delivery lines with setup resource are required for security calculation.

Fetch partition directly from self, by using UnrestrictedMethod, and use later
_assertACI in order to check permission.

Rationale: unrestrictedSearchResults will return all partitions, when Software
Instance needs access to only one.