R1:dd2319cded5a

Make setup issues cards.y

Summary: Generally prefer 'cards' to represent individual 'items' or 'action items', so I think it works here.

Test Plan: Reload setup issues pages.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D6252