Found some missing icons
Summary: Did a more exhaustive grep on setIcon and found 99.9% of the icons.
Test Plan: I verified icon names on UIExamples, but unable to test some of the more complex flows visually. Mostly a read and replace.
Reviewers: epriestley
Reviewed By: epriestley
Subscribers: epriestley, Korvin, hach-que
Differential Revision: https://secure.phabricator.com/D9088