Add some missing translations

Summary: I saw these appear untranslated in the feed on https://secure.phabricator.com.

Test Plan: Created a dependency and checked the story text in /feed/.

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D13149