Fix text overflow issues using break-word.

This relates to https://github.com/danbartlett/opensit/issues/103

Before (Chrome):

![screen shot 2014-10-16 at 10 38 39 am](https://cloud.githubusercontent.com/assets/936863/4667998/d87823a8-5561-11e4-8257-66b4346ace78.png)
![screen shot 2014-10-16 at 10 38 18 am](https://cloud.githubusercontent.com/assets/936863/4667992/cc0736e0-5561-11e4-83c8-4f4dc1c13cff.png)

After (Chrome):

![screen shot 2014-10-16 at 11 16 04 am](https://cloud.githubusercontent.com/assets/936863/4668008/dfb8c10e-5561-11e4-9f2b-60e7171e49a8.png)
![screen shot 2014-10-16 at 11 19 24 am](https://cloud.githubusercontent.com/assets/936863/4668014/e8298918-5561-11e4-93e1-c7837fb0010b.png)