Better launch page

Launch page is in need of some tweaks. 

Original:
![screenshot-localhost 3000 2014-10-09 21-38-18](https://cloud.githubusercontent.com/assets/376315/4586784/2a2f412a-501e-11e4-95f8-4df8345a324e.png)

...several hours later
![screenshot-localhost 3000 2014-10-10 02-35-41](https://cloud.githubusercontent.com/assets/376315/4588653/ba119508-5047-11e4-9d61-f55570f072fa.png)

Buttons styles have been changed (site-wide, so I'll be wanting to do some tweaking probably) and the logo's been improved, although it could probably do with a few more iterations.