Uncaught Exception: Error: Cannot find module 'shell'

Using `0.5.1`, if you click [Help -> Search Issues](https://user-images.githubusercontent.com/571265/27497750-1475a9c0-5811-11e7-84bc-50ed804bcf30.png), the app will crash with an uncaught:

<img width="420" alt="screen shot 2017-06-23 at 12 40 27" src="https://user-images.githubusercontent.com/571265/27497777-39da196c-5811-11e7-9c6e-dabaa6ee26d7.png">

