previously this test was using the 'test' subscription, but this subscription no longer exists now that the packages have removed the conf.d/client.json sample file.
- we have forked the 'yum' cookbook pending resolution of COOK-1227 - switched back to CXinc/chef-redis repo now that @miah has merged all of our changes
In order to deal with erlang ssl issues on older platforms, let's just make SSL togglable on platforms where we know the issues exist. We have also broken the test .box list out into a `boxes.json` file that is read by both Vagrant and the para-vagrant.sh script. This should make it easier to add/rm/update vagrant boxes from the test suite in the future.