alphagov/whitehall — pull request #1237 by evilstreak (2014-01-29 16:58:10+00:00)
Title: Allow archived attachments to be viewed

AttachmentVisibility was only allowing attachments for published
editions to be accessed for non-logged in users.

This commit adds a publicly_visible Edition scope which includes both
published and archived editions.

Fixes https://www.pivotaltracker.com/story/show/64750912