Improve tagline line-break on tablet.

# Changes
 - Improve where line breaks on tablet. Little bit magic number-y, but it makes iPad view a lot nicer.

# Screenshots
#### Before:
![screen shot 2014-11-20 at 2 51 25 pm](https://cloud.githubusercontent.com/assets/583202/5131827/e46d55e2-70c4-11e4-8a83-02ae6dc7430c.png)


#### After:
![screen shot 2014-11-20 at 2 51 15 pm](https://cloud.githubusercontent.com/assets/583202/5131826/e1d702e2-70c4-11e4-9001-2a567170f5c8.png)