This patch add doc action.rst cluster action, node action
This patch add doc action.rst cluster action, node action

Change-Id: Ib9c7055fd2b2d2b6ef47f45aea253f0cd955add7
Signed-off-by: chenyb4 <115798e15ddd872778e240322a1a46f7d51b5ce2@gmail.com>

openstack/senlin,stackforge/senlin,openstack/senlin,stackforge/senlin,openstack/senlin