Make it easier to start a user's first campaign

Added a link to start a new campaign from the website view if the user has not created one yet.

![screen shot 2013-12-05 at 4 37 46 pm](https://f.cloud.github.com/assets/1132438/1688743/a7e642ba-5e0e-11e3-927e-82480e635a74.png)