This element should be rolled in as the `option` element for `paper-radio-group`

[rjcorwin]

This element used on its own doesn't make sense. It behaves like a checkbox and the existence of this repository only creates confusion that it might behave like native <input type="radio"> and radio buttons in HTML make things more complicated than they need to be. See my proposal here https://github.com/PolymerElements/paper-radio-group/issues/86

[Link2Twenty]

In one of my projects (Link2Twenty/l2t-paper-color) I use paper-radio-group but not paper-radio-button, as I have my own custom radio button. Joining the projects together would mean anyone that wanted one project and not the other would have to have both.