Add TODO item for service setup
Add TODO item for service setup

We are missing an important step for setting up the senlin service,
which is about the creation and configuration of the 'senlin' user.

Change-Id: Ib060d125b0cfe20ad38e38e2453ba831974d721d

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