Updated openstack/openstack
Project: openstack/sahara  3225dbb4edc48efc28f9e96daabc56939dd73077

Adding Spark to the list of default plugins

Spark is now present as a plugin with the default
installation of Sahara.

Change-Id: I94a26f721839386e7d04668a0054ba583cf1a698
Closes-Bug: #1375316