Remove password field for AFP share

Ticket:	#3796
Sort datasets in Storage → "Active Volumes" tab

Ticket:	#3827
Remove AFP share password leftovers in form

Reported by:	jpaetzel
Add set_password method required for the users API

Ticket:	#3834
Update comments.
Nuke i386 builds for now.
Enable samba 4.1.3
Move back to 9-stable branch now that samba41 is merged.
Add sysutils/hptcli port to the build
Make proper samba4 directories.
Bring back old volume manager refurbished for ZFS
Simplify logic, UFS is not supported here
Do not email CRON Demon Scrub Skipped if below threshold
https://bugs.freenas.org/issues/3803
raid3 is not valid for ZFS
Fix form submit
Clean up logic for legacy manager
Missed a directory in previous commit - also create /var/db/samba4
Add a script to test installing the FreeNAS ISO in a VirtualBox VM.
Add missing comma.
Remove import of pexpect, not used in this script.