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

src/applications/diffusion/controller/DiffusionHistoryController.php

@@ -113,7 +113,7 @@ final class DiffusionHistoryController extends DiffusionController {
       id(new PhabricatorActionView())
         ->setName(pht('Browse Content'))
         ->setHref($browse_uri)
-        ->setIcon('file'));
+        ->setIcon('fa-files-o'));
 
     // TODO: Sometimes we do have a change view, we need to look at the most
     // recent history entry to figure it out.