Fix quotes usage for zfs get options
Workaround samba libinotify bug by disabling the code.

Ticket: #4728
Set max open files in samba to FreeBSD's max files per process
Set 'acl allow execute always = true' as the default

- make it an option in the gui
- reproduces samba3 behavior
- give max open files breathing room

Ticket: #4714
Set the ldap password *after* a smb4.conf has been generated