- Use jQuery to handle data attributes (needed for IE 9/10).
- Fix issue with all IE versions where Recaptcha dialogs don't accept any button presses.

Good catch Travis! :)

Conflicts:
	themes/bootstrap3/js/lightbox.js

- Adds new configuration setting to pop up lightbox to explore facet lists more deeply; currently supported by both Summon and Solr.

- Replace getters with public properties for simplicity/perforamnce.