Evaluate custom elements for components
Scroller, slider, maps, network -- all of these may be better represented declaratively as a component. Evaluate this.
Some introductions to custom elements:
- [From Webcomponents.org](http://webcomponents.org/articles/introduction-to-custom-elements/}
- From HTML5rocks
- CustomElements.io is a library of custom elements
- Lightweight polyfill for custom elements going back to IE8