bootstrap.js: Uncaught Invalid match arg: /\./

Hi. I'm getting a blank screen and error when I run this:

![baby-jimmer_and_client_ _java_ _lein_run_ _107x24](https://cloud.githubusercontent.com/assets/5354163/19775174/8c3e78b4-9c3d-11e6-8412-d80a673a5b97.gif)
