alphagov/whitehall — pull request #1160 by evilstreak (2013-12-16 10:17:09+00:00)
Title: Split admin attachments UI for all content formats

Policy advisory pages and corporate information pages were still using inline attachment fields handled through `accepts_nested_attributes_for`. This pull request makes both formats use the polymorphic attachments controller and views.

[Finishes https://www.pivotaltracker.com/story/show/53757477]