Page design

Begin redesigning the projects page.

Here is what it was before:

![screenshot 2014-05-13 12 08 49](https://cloud.githubusercontent.com/assets/1314119/2960937/48b09e5a-dac1-11e3-83ab-2a8d1d6ae636.png)

And what it is now:

![screenshot 2014-05-13 12 07 49](https://cloud.githubusercontent.com/assets/1314119/2960942/50ab551e-dac1-11e3-80c3-3edd437de275.png)

It uses this color palette which will be in the documentation soon:
![hbd_colors](https://cloud.githubusercontent.com/assets/1314119/2960950/689989fc-dac1-11e3-9176-a35b7434be92.png)