FreeNAS Code

untested changes in backend/frontend to support ext2fs

regenerate snmpd.config on snmp service restart

Default ACL's that make Windows smile without complaining.

Don't dd on destroy, instead, just make sure that the partition table is
totally blown away.

partially replace a few raw sql queries for volumes manager from zfs_sync_datasets

use django orm in geom_disk_replace and fix a bug to allow disk replacement for UFS volumes in GUI

fix creation of single disk ufs volume;
error repoerting for ufs volume creation

use orm objects within zfs_detach_disk

replace disks within a transaction;
move disk replacement logic into form done();
use orm objects within middleware zfs_disk_replace;
error reporting in case of replacement fails

Ignore 'inherit' from upper layers when we are creating a filesystem.