Receiver update faild when action value None
Receiver update faild when action value None

This patch fix action default value None, schem
'ClusterActionName' check, the None not in CLUSTER_ACTION_NAMES

Closes-bug: #1746391
Change-Id: I6b867611f99fc9fd35f08da8d225101ae3c3831e

openstack/python-senlinclient,stackforge/python-senlinclient,stackforge/python-senlinclient,openstack/python-senlinclient