Expose account/container/object worker count
Expose account/container/object worker count

Adds the new parameters SwiftAccountWorkers, SwiftContainerWorkers
and SwiftObjectWorkers to set the corresponding Puppet values.

Depends-On: I36c0b1004af1f59ee9adb9644a59e98a50665ef0
Change-Id: I29888f2d4da1dbd341a7c1b52bb281dff6d680cf

openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates