Add translated strings for new edge types

Summary: Ref T5245. Earlier changes in this stack introduced new edge strings, provide English translations.

Test Plan: This is hard to test exhastively, but I poked around the UI and saw some of these rendering correctly. If I messed anything up it's trivial to fix when someone spots it.

Reviewers: joshuaspence, chad

Reviewed By: joshuaspence, chad

Subscribers: epriestley

Maniphest Tasks: T5245

Differential Revision: https://secure.phabricator.com/D9920