sul-dlss/spotlight — pull request #729 by cbeer (2014-11-17 19:30:15+00:00)
Title: Add 'Preview' button to sir-trevor widgets

![preview-widget](https://cloud.githubusercontent.com/assets/111218/5076061/fb6b7690-6e4c-11e4-8f74-10ae78e61ef2.gif)

Fixes #491

@ggeisler?