FIX: urls in BBCode tags weren't working

BEFORE
![screen shot 2013-06-27 at 12 57 13 am](https://f.cloud.github.com/assets/362783/712876/d9895a94-deb3-11e2-9fd6-ccbc9279aa06.png)
AFTER
![screen shot 2013-06-27 at 12 57 44 am](https://f.cloud.github.com/assets/362783/712875/d9783304-deb3-11e2-935d-f88e688d90b7.png)

> "Live long and prosper" - Spock