There is an rst error that prevents releasenotes from being built.
Address this error so that items build. This was caught during testing
for running jobs on Ubuntu Xenial.
Change-Id: Ic0e53d668193b592501175b51dce1275d4fcb93c
Add possibility to generate release notes to glanceclient.
We need this because it helps to prepare good documentation
and provide useful info to Openstack users.
Change-Id: Ifce2df8ac5f3a14518a758d748964e7201a75291
Doug Hellmann