Fix typos in dns.py

https://fedorahosted.org/freeipa/ticket/4429

Reviewed-By: Nathaniel McCallum <npmccallum@redhat.com>
trusts: Make cn=adtrust agents sysaccount nestedgroup

Since recent permissions work references this entry, we need to be
able to have memberOf attributes created on this entry. Hence we
need to include the nestedgroup objectclass.

https://fedorahosted.org/freeipa/ticket/4433

Reviewed-By: Jan Cholasta <jcholast@redhat.com>
Enable debug pid in smb.conf

https://fedorahosted.org/freeipa/ticket/3485

Reviewed-By: Tomas Babej <tbabej@redhat.com>
test_xmlrpc: Update tests

- The number of permissions in $SUFFIX changed.
- A new ACI was added to realmdomains

Update the tests.

Reviewed-By: Martin Kosek <mkosek@redhat.com>