Commercial vertical spacing

As per Kaelig comments I have tweaked the vertical alignments on some of the icons, see before and afters;

Before;
![screen shot 2014-04-22 at 12 04 22](https://cloud.githubusercontent.com/assets/1303616/2764075/eb543b5e-ca0d-11e3-92ee-a2217c9cde46.png)

After;
![screen shot 2014-04-22 at 12 05 04](https://cloud.githubusercontent.com/assets/1303616/2764079/0b82e682-ca0e-11e3-8a57-82a07f24a3e3.png)
![screen shot 2014-04-22 at 12 05 10](https://cloud.githubusercontent.com/assets/1303616/2764081/0b8680b2-ca0e-11e3-9a16-32091216c190.png)
![screen shot 2014-04-22 at 12 05 20](https://cloud.githubusercontent.com/assets/1303616/2764080/0b856fa6-ca0e-11e3-9fc5-f5eedf87ef55.png)