Inform keystone about our ldap schema for roles.

Not sure why this wasn't needed in folsom, but in havana
keystone is unhappy not knowing where to find 'name'.

Change-Id: I7c761a131c1fb8be4f1f30561ae6cd44e9ee40c6
Include python-novaclient for nova/havana.

This is the new cli for nova, renamed from older openstack versions.

Change-Id: I4e5cb1b4b7efc7c776ca8ef7a20516832fe0ff33