Football player cards

This is the initial styling for player cards and table embeds in articles.

# Want to see?
![ngembeds](https://f.cloud.github.com/assets/31692/2527704/d21922b4-b507-11e3-8e38-ef4ebe6ff80b.png)
![r2embeds](https://f.cloud.github.com/assets/31692/2527705/d227a60e-b507-11e3-802f-b4e8d30a340a.png)


![Mug shots](http://media.giphy.com/media/zKkGf5eLehvBm/giphy.gif)