source4/scripting: add an option to samba_dnsupdate to add ns records.

source4/scripting: add an option to samba_dnsupdate to add ns records.

Add a --add-ns option to samba_dnsupdate and use that, but only when --use-file has been specified, to add an NS record to the file produced.

This allows us to make progress in the self tests and is an interim fix.

Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Rowland Penny <repenny241155@gmail.com>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jun 21 00:51:02 CEST 2016 on sn-devel-144