Add 'init_time' to node and 'cluster_id'
Add 'init_time' to node and 'cluster_id'

'cluster_id' was missing when reloaded from database.
This patch also exposes profile name in dict dumped from a node.

openstack/senlin,tengqm/senlin-container,tengqm/senlin-container,tengqm/senlin,tengqm/senlin,openstack/senlin,Alzon/senlin,stackforge/senlin,stackforge/senlin,Alzon/senlin,openstack/senlin