Removed unused reflex.sh
Add failing spec for 82838924

Need to add cloudfoundry/garden-acceptance Docker image
Fix for new docker container with anotheruser
Add specs for running unpriviledged root

https://www.pivotaltracker.com/story/show/82838560

Also, pended the arbitrary user spec:
  https://www.pivotaltracker.com/story/show/82838924