Installing glance through dguerri.openstack-glance

There are issues with this, need to tweak the ini files to better
handle registry server, but the glance CLI is working as expected.
Attempting to get something that works, and will twiddle once tests
are written and a working env exists.
Merge pull request #1 from retr0h/retr0h/enable-glance

Installing glance through dguerri.openstack-glance