FreeNAS Code

Initialize ldap from database.

Allow adding public key for user authentication.

While I'm there, also fix a few couple of bugs in recent revisios.

handle the case where there could be zpool names with suffix of each other (e.g. tank -> tank2) for auto import

Make timezone setting take effect immediately inside django.

Use .returncode instead of relying on stderr as suggested by gcooper.

No news is good news in the context of stderr output.

Create a shortcut stub for restart("ldap").

Combine collect restarts down into middleware and make it a hook for after
creation and destroy of a volume or dataset.

Reimplement user lock, password disable and their backend support.

Revert r7638, this requires more work.