Add clarifying comment regarding podDestination and scaleDownCandidates  variables
Add clarifying comment regarding podDestination and scaleDownCandidates  variables

kubernetes/autoscaler,mmerrill3/autoscaler,mmerrill3/autoscaler,bskiba/autoscaler,kubernetes/autoscaler,mmerrill3/autoscaler,mmerrill3/autoscaler,kubernetes/autoscaler,kubernetes/autoscaler,bskiba/autoscaler,bskiba/autoscaler