Only upload each key name once
Don't let Travis leave cloud servers up - $$$
Don't upload the vendored gems in Kitchen (takes too long)
Skip unnecessary Gems on the cloud builders
Only do a deploy if the build is a merge to master
Fix typo in 'control_node'
Merge pull request #11 from RoboticCheese/roboticcheese/only-upload-ssh-key-once

Only upload each key name once