Revert "Revert "Merge pull request #40 from alphagov/enable-lightbox-in-new-tab""

This reverts commit 37919f0823a44860196013ff6aadb74e345cfbb0.
Do not break when display descriptionless order numbers.
Allow lightboxes to be permalinked easily.
Add missing vcr mock.
Merge pull request #44 from alphagov/lightbox-tabs-fix

Order number + Lightbox tabs fix