shipyard/shipyard — pull request #331 by tombee (2014-11-15 15:01:29+00:00)
Title: Add engine validation

![screen shot 2014-11-15 at 14 50 07](https://cloud.githubusercontent.com/assets/60068/5058075/1a2d1e4c-6cd8-11e4-958c-d15f0cb73a2d.png)