Branded components design tweaks

The 'soulmate' component should look like this now:
![screen shot 2014-11-19 at 17 40 49](https://cloud.githubusercontent.com/assets/489567/5110789/557d7d46-7013-11e4-94ae-75aab724ee60.png)

The 'jobs' component should look like this now:
![screen shot 2014-11-19 at 17 42 21](https://cloud.githubusercontent.com/assets/489567/5110808/7899b2ae-7013-11e4-92fd-196cd81d0217.png)

The 'membership' component should look like this now:
![screen shot 2014-11-19 at 17 43 17](https://cloud.githubusercontent.com/assets/489567/5110885/0d53ef5e-7014-11e4-8787-80818c6f4f41.png)

All of those ads should be anchored to the bottom of right-hand column (desktop only).

10px === $gs-gutter / 2