Give openstack_citest createdb perms.
Give openstack_citest createdb perms.

The nove postgres unittests need CREATE DATABASE permissions. Give the
openstack_citest postgres user this ability.

Change-Id: I55f6855dadd0a77f651633c780dd88fcb409a155
Reviewed-on: https://review.openstack.org/21023
Approved: Clark Boylan <635fc31d01fa593720982fa0568e87170cedbe2c@gmail.com>
Reviewed-by: Clark Boylan <635fc31d01fa593720982fa0568e87170cedbe2c@gmail.com>
Reviewed-by: Kurt Taylor <7471a85ae5fd76ac58722d2050fdfa22c86cca35@us.ibm.com>
Tested-by: Jenkins

open-switch/infra_puppet-jenkins,open-switch/infra_puppet-jenkins