add apt to run lists to avoid errors caused by stale package data
use a pre-release of the ruby cookbook for rhel compatibility
Merge pull request #9 from cwjohnston/ruby-cookbook-fix

use a pre-release of the ruby cookbook for rhel compatibility
Merge pull request #8 from cwjohnston/add-apt-to-debian-run-lists

add apt recipe to run lists for debian platforms to avoid errors caused by stale package data