Support Line Breaks in Notes

```
It would be great if line breaks are supported in the notes.

I already tried out several things, but none of it worked: Line Breaks within 
the XML file are silently ignored, <br> tags aren't allowed, and manually 
adding \n doesn't work either. 
```

Original issue reported on code.google.com by `samuel.g...@jku.at` on 1 Oct 2014 at 9:26
