Convert some raid attributes to dell_raid attributes to enable UI to work
Add user_managed: false to crowbar.yml.

Wayne told me to, that is why.
comparison for size limiting against mb instead of bytes
Merge pull request #9 from jjacob512/pull-req-release-roxy-master-9e6df227c057867110afd0b49f9e77a11d92108e

merging batch of fixes from mesa-1.6 to roxy [1/3]