Sha: Add `word-wrap` to the HTML

Fixes #412

Old:
![screen shot 2014-05-08 at 9 34 34 am](https://cloud.githubusercontent.com/assets/81969/2916005/8d76685e-d6b5-11e3-8d9a-128224d93504.png)

New:
![screen shot 2014-05-08 at 9 34 49 am](https://cloud.githubusercontent.com/assets/81969/2916007/921fae88-d6b5-11e3-8773-12fabd12db90.png)

CC @sdougbrown