avoid requeueing a pod for scheduling if is has already been deleted
avoid requeueing a pod for scheduling if is has already been deleted

hw-qiaolei/kubernetes-mesos,OnePaaS/kubernetes-mesos,MatMaul/kubernetes-mesos,joerg84/kubernetes-mesos,MatMaul/kubernetes-mesos,MatMaul/kubernetes-mesos,MatMaul/kubernetes-mesos,OnePaaS/kubernetes-mesos,joerg84/kubernetes-mesos,MatMaul/kubernetes-mesos,w4ngyi/kubernetes-mesos,joerg84/kubernetes-mesos,joerg84/kubernetes-mesos,joerg84/kubernetes-mesos,OnePaaS/kubernetes-mesos,OnePaaS/kubernetes-mesos,OnePaaS/kubernetes-mesos