FreeNAS Code

Remove extra -m

Add logic dropped in refactor

Fix ident error introduced by refactor

PEP8 style cleanup

Finish sync with internal ix repo

sync with ix repo, brings a whole raft of improvements to FreeNAS

Remove now-stale comments

Merge in support for adding/removing ZFS dataset from iX repository.

Mega commit to merge with internal repo, adds AD, LDAP, ssh keys in database, improves migrations, and much much more

Initial import of LDAP and Active Directory code. I'm sure I broke
something ;-).