Fix HAProxy novnc httpchk with explicit options

The previous noVNC fix I made still failed in Jenkins testing due to HAProxy `httpchk` failing. This was not configured on the cluster when I was testing it which was then forgotten when I translated the config into our Ansible code. 

The build has already been tested via Jenkins and [passes](https://jenkins.blueboxgrid.com/job/ursula/1042/)

This PR also has the cinder fix which was already merged into master.