Revise TODO list
Revise TODO list

This revises the TODO list for some items we already completed:

- unexpected attributes: new API validation is checking additional properties
- profile/policy validate APIs have been added
- osprofiler support has been added
- batch policy already being worked on and tracked on etherpad

Change-Id: I52eb4eebd82673430e9acc9418c8830f644f0499

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