Added Compare & QR buttons to additives list page.
Added Twitter typeahead js lib.

The library should handle auto-suggestions for the search box.
Fixed CSS styles for search input box.

Styles now compatible with .input-group-lg class.
Added loading anim during template & data load.
Merge branch 'master' of github.com:vexelon-dot-net/e-additives.web

Conflicts:
	css/main.css
Updated file formatting.