torture: Ensure that GSSAPI and SPNEGO packets are accepted by dlz_bind9

torture: Ensure that GSSAPI and SPNEGO packets are accepted by dlz_bind9

This exercises some more of the dlz_bind9 code outside BIND, by
sending in a ticket to be access checked, wrapped either in SPNEGO or
just in GSSAPI.

Andrew Bartlett

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Sep  4 11:25:10 CEST 2013 on sn-devel-104

(cherry picked from commit 38e43961c01f6f491b069e7106fe2a2ec80bd840)

The last 7 patches address bug #9091 - When replicating DNS for bind9_dlz we
need to create the server-DNS account remotely.