Implements screen process stop in ceilometer, cinder, glance, heat, n-vol Change-Id: Ic5e02926f026d0e6f4b39846bfe77634dd414c60
The next in a line of changes to break down stack.sh and make it a bit more manageable. Part of blueprint devstack-modular Change-Id: Ie0104f0de281497f2c10f653aebb8e7cbedc4204