This sample driver is based on bind-dyndb-ldap project and small portions
of code from ISC BIND 9.10.

Authors listed in alphabetical order:
Adam Tkac   <atkac@redhat.com>
Jiri Kuncar <jkuncar@redhat.com>
Martin Nagy <mnagy@redhat.com>
Petr Spacek <pspacek@redhat.com>