Solve #20130313-2E05AD.

It prevent random access during the Hosting Subscription expand.

Bad commit was including bad test code.

First add all IPs, then think if it was right.

Chmod the parents (/etc, /etc/opt) to be sure they have g+xro+xr.

Usefull for slave instance, as they never directly access the system.

Most of the time, they have no status to report.

It should allow to get more conflict in case of concurrent transaction.

Do not show the expected state but only the "known" instance status, based on
SlapTool connection logs.

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