Updated openstack/openstack
Project: openstack/tempest  9b8d3df6caf4f3c7d04dd208f74ab4875bf4f0fc
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Add Savanna client for node group templates

It adds data_processing service with simple Savanna client that currently
supports only CRUD operations with node group templates.

Change-Id: Ic96ae88fcfe164f4953013a2d4433bc9c9bf6c6d