Reformat README
Update template system

It now names the templates based on path, not filename.

On views, you can use that path (without 'src/app/modules/'),
with or without the "template/" parth.

Example:

```
class View extends App.Views.ItemView
  template: "sample/list/sample-view"
```

Or:

```
class View extends App.Views.ItemView
  template: "sample/list/templates/sample-view"
```