@starsirius  => Add an API playground.

Makes the app management page(s) prettier and adds an API playground using Swagger.

![screenshot 2014-08-27 11 58 04](https://cloud.githubusercontent.com/assets/542335/4062835/f5b81c4c-2e02-11e4-9d9a-d830ab65c374.png)

We may also use the `alert` component for errors, but since we are developers.... :smiley: