Merge pull request #77 from VictorLowther/bump-to-rails-4.0.4

+2 Bump deps for rails 4.0.4
Merge pull request #78 from VictorLowther/readd-rhel-6.5-support

+2 Really add RHEL 6.5 support.
Start ressurecting the spec tests
Have snapshot.rb take over the last remaining unique functionality in deployments.rb.
Modufy deployments table creation to fix the parents reference.
i18n-ize the system deployment description.