Identity - Profile Activity - GuardianWitness Contributions

![screenshot from 2014-07-07 16 07 05](https://cloud.githubusercontent.com/assets/383630/3497080/75f49252-05e8-11e4-9bce-25dba10f1104.png)

Please use `$gs-baseline` for vertical spacing (`$gs-gutter` is for horizontal spacing)