begriffs/styleguide_rails — pull request #43 by joshuarh (2013-05-03 14:49:31+00:00)
Title: separate the viewport list with commas

Per https://developer.mozilla.org/en-US/docs/Mobile/Viewport_meta_tag and
![viewport](https://f.cloud.github.com/assets/666493/459405/a30fda98-b400-11e2-9cc2-c6b9ada6e609.png)