Make popup open if referenced in the URL
Merge branch 'master' of github.com:alphagov/trade-tariff-frontend into enable-lightbox-in-new-tab
Use static html IDs for order number, conditions, additional codes and footnotes.
Convert to ampersand only if it is before whitespace.
We still need to properly escape all ampersands.
Make parent container of link open with popup

In order to make the link that fired the popup visible the parent tabbed
panel needs to show.

Also includes a fix for the arrows on expanding lists not displaying
correctly in IE.
Enhance ampersand escaping.

& followed by # should not be escaped as it's html encoded character.
Merge branch 'master' of github.com:alphagov/trade-tariff-frontend into enable-lightbox-in-new-tab
Merge branch 'enable-lightbox-in-new-tab' of github.com:alphagov/trade-tariff-frontend into enable-lightbox-in-new-tab
Merge pull request #40 from alphagov/enable-lightbox-in-new-tab

Enable lightbox in new tab