Merge pull request #25 from jhesketh/master

Increase node limit
Lowered the RAM for the nodepool images to 2GB.
Merge pull request #26 from matthewoliver/master

Lowered the RAM for the nodepool images to 2GB.
Pointed workers nodes from zuul-test.rcbops.com to zuul.rcbops.com
Merge pull request #27 from matthewoliver/master

Pointed workers nodes from zuul-test.rcbops.com to zuul.rcbops.com
Merge pull request #1 from rcbau/master

Update from upstream