Revert "Add sudo migrations for users and groups"

This reverts commit 67cf1ac747c0b1c2bb8599287d413bed32189307.
Revert "Add sudo ability to users and groups"

This reverts commit ca76d42243da8518d8d29391c684272823c2a01b.
Add sudo migrations for users and groups
Add sudo ability to users and groups

Ticket: #3172
Revert "Add sudo ability to users and groups"

This reverts commit f58b263d16a5da1427f18036d9cc726cbbdb0b5a.
Revert "Add sudo migrations for users and groups"

This reverts commit e188c2360f183633a36b290c62708a10a7393faa.
Mkdir the directories needed for nullfs mounts.

It would probably be better to make the directories directly
in the ports repos and put a .keepme file in each, but let's
try this for now.
Add the padlock kernel driver.
http://forums.freenas.org/threads/via-padlock.15824/