Create emails table

Fixes #104
Fixes #89

- Creates an emails setting page.
- the types are all pre-seeded. 
- body content can be added in
- also, all emails are smashy, so you don't have to see too much at once

![](http://cl.ly/image/1S0F1d3T352m/Screen%20Shot%202014-09-18%20at%205.50.38%20PM.png)
![](http://cl.ly/image/2D3U0q0Z3G1u/Screen%20Shot%202014-09-18%20at%205.50.49%20PM.png)
Maybe change these back to objects eventually? :trollface: