Updated openstack/openstack
Project: openstack-dev/devstack  88df4f07bb54404fcdd0e9c61717452673d6fcca

Don't hardcode glance protocol when finding trove guest image

This allows configuration of trove when devstack is configured
for SSL or tls-proxy.

Change-Id: I680effda94926951f9068e2df1e354c708aa4495