Pesky Scrollbars

This fixes the pesky scrollbars that show up at the bottom of the build logs unnecessarly.

Before:
![before](https://cloud.githubusercontent.com/assets/3277097/2964631/c0c751e6-dae8-11e3-829e-d85e6b4b1017.png)

After:
![image](https://cloud.githubusercontent.com/assets/3277097/2964653/fea76992-dae8-11e3-959c-9dc5c428c52a.png)