Updated openstack/openstack
Project: openstack/glance  aed6b8f351e7ef19a8ca110255dd5c0c3e9cffe9

Add rally performance gate job for glance

This patch is init setup of rally gate job.
After merging this everybody will be able to change
rally-scenarios/glance.yaml to run any benchmarks with any load in gates.

Change-Id: Ic5e58856ece15e4d130ccd1e0057917441b01728