[Samba] Samba Move preserve ACL

[Miguel Medalha]

> I as a network administrator know that this is a normal behavior but our
> users don't get it :(
>
> So i need a solution.
>
> I heard that there is the possibility to bypass this with a VFS module

As a network administrator, your best solution is to inform your users 
instead of going along with bad practices and laziness.

It's not difficult, just plain binary alternative:

move -> keep permissions
copy -> acquire permissions of destination