Kill "dashboard"; give entries a home

As we start thinking about CRUD for entries, we'll want to have a home to put that stuff.

This PR kills the "dashboard" and replaces it with entries. No behavior is changing here, we're just doing a bit of preparation for what is to come.

![crud](https://cloud.githubusercontent.com/assets/65323/4640360/2d6d2104-541f-11e4-8e07-a21a6721ae0b.jpg)