Attribute and logic improvements

This pull requests includes some additional local attributes to help assist with the deployment of our openstack infrastructure. It also changes the testing environment to mimic closer to production with prefixed/suffixed data bags and database names/users. This also fixes osuosl-cookbooks/osl-openstack/issues/14.
Because I can't rely on that for the staging environments. The data base name gets too long. If you look at the roles I have in the other PR you'll see what I'm referring to.