Add a devstack plugin for shade
Add a devstack plugin for shade

Install shade with devstack. This is really simple because there's not
really any configuration needed.

Change-Id: Ic5962bfb0e25d592d50458f32a21ac612479447c

dtroyer/python-openstacksdk,openstack-infra/shade,openstack/python-openstacksdk,stackforge/python-openstacksdk,openstack/python-openstacksdk,dtroyer/python-openstacksdk,openstack-infra/shade,stackforge/python-openstacksdk