* Update Storybook UI
* Setup channel for preview
* Load addons from user or load default addons
* Allow easy importing default set of addons
For an example addons.js:
```js
import '@kadira/storybook/addons';
import '@kadira/storybook-addon-hello/register';
```
* Export correct action, linkTo functions
* Rename pageBus to channel
* Fix tests and lint errors
* Update some comments.
* Match default setup same as create-react-app.
* Stop pre-building the manager
This allow us to customize the manager dynamically.
* Update manager for the production build.
* Remove building source-maps.
* Fix lint issues.
* Improve static file handling.
* Update dev docs.
* Use dist directory for the manager's source.
* Add support for stage-0.
* Replace raw loader with the css loader in production CSS handling.
* Remove specific babel plugins since we support stage-0.
