Cherry-pick from release-0.2: "Add Demo service "

* Prepare conductor and data for Fuel demo
* Image parameter is preconfigured
* Exclude send-command rule from Demo workflow
* Typos in agent.config for CirrOS
* Demo.xml sends command to agent again

Change-Id: Ia9da70e5ed9222c5f665786c49207a8e0452c1b0