Provide the ability to limit resource intensive or potentially
wide scale operations which could be a symptom of a highly
distructive and unplanned operation in progress.
The idea behind this change is to help guard the overall deployment
to prevent an overall resource exhaustion situation, or prevent an
attacker with valid credentials from putting an entire deployment
into a potentially disasterous cleaning situation since ironic only
other wise limits concurrency based upon running tasks by conductor.
Story: 2010007
Task: 45140
Change-Id: I642452cd480e7674ff720b65ca32bce59a4a834a
9a8b1d149c