Updated openstack/openstack
Project: openstack/trove  0245501b3918245a0f55b88898f62fcbbe491e8b
null
Make hostnames in designate driver all lower case

Currently hostnames are uppercase, this enforces lower case which
is the norm when specifying hostnames.

Closes-bug: 1291189
Change-Id: Ief92bc1aeffddd5dee99cd19d703c8a75bc50845