Vertically align search listings

Minor aesthetic change.

Before:

![screen shot 2013-10-26 at 12 21 35 pm](https://f.cloud.github.com/assets/289269/1414253/abf0f36e-3e74-11e3-824f-687c5da39c17.png)

After:

![screen shot 2013-10-26 at 12 22 22 pm](https://f.cloud.github.com/assets/289269/1414254/abf16754-3e74-11e3-9e6c-4e4b91eb1de5.png)