Commercial jobs refactor

Refactor of the commercial jobs component so that it works across all break points on both fronts and articles AND follows the designs as closely as possible.

Before;
![screen shot 2014-05-01 at 14 55 10](https://cloud.githubusercontent.com/assets/1303616/2852631/4285603e-d138-11e3-8db5-d6953eeb4496.png)

After;
![screen shot 2014-05-01 at 14 55 17](https://cloud.githubusercontent.com/assets/1303616/2852632/4adf532a-d138-11e3-8a92-ca3d3cb43d67.png)