shipyard/shipyard — pull request #330 by tombee (2014-11-15 14:50:33+00:00)
Title: Add engine validation

![screen shot 2014-11-15 at 14 50 07](https://cloud.githubusercontent.com/assets/60068/5058052/b7390482-6cd6-11e4-980c-e5a299a3d287.png)