Replace Sprite-Icons with FontAwesome

Summary: The removes the sprite sheet 'icons' and replaces it with FontAwesome fonts.

Test Plan:
- Grep for SPRITE_ICONS and replace
- Grep for sprite-icons and replace
- Grep for PhabricatorActionList and choose all new icons
- Grep for Crumbs and fix icons
- Test/Replace PHUIList Icon support
- Test/Replace ObjectList Icon support (foot, epoch, etc)
- Browse as many pages as I could get to
- Remove sprite-icons and move remarkup to own sheet
- Review this diff in Differential

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin, hach-que

Differential Revision: https://secure.phabricator.com/D9052

src/applications/diffusion/controller/DiffusionCommitController.php

@@ -252,8 +252,7 @@ final class DiffusionCommitController extends DiffusionController {
       if ($count > self::CHANGES_LIMIT && !$show_all_details) {
 
         $icon = id(new PHUIIconView())
-          ->setSpriteSheet(PHUIIconView::SPRITE_ICONS)
-          ->setSpriteIcon('transcript');
+          ->setIconFont('fa-files-o');
 
         $button = id(new PHUIButtonView())
           ->setText(pht('Show All Changes'))
@@ -987,7 +986,7 @@ final class DiffusionCommitController extends DiffusionController {
     $action = id(new PhabricatorActionView())
       ->setName(pht('Edit Commit'))
       ->setHref($uri)
-      ->setIcon('edit')
+      ->setIcon('fa-pencil')
       ->setDisabled(!$can_edit)
       ->setWorkflow(!$can_edit);
     $actions->addAction($action);
@@ -999,7 +998,7 @@ final class DiffusionCommitController extends DiffusionController {
     if (PhabricatorApplication::isClassInstalled($maniphest)) {
       $action = id(new PhabricatorActionView())
         ->setName(pht('Edit Maniphest Tasks'))
-        ->setIcon('attach')
+        ->setIcon('fa-anchor')
         ->setHref('/search/attach/'.$commit->getPHID().'/TASK/edge/')
         ->setWorkflow(true)
         ->setDisabled(!$can_edit);
@@ -1009,7 +1008,7 @@ final class DiffusionCommitController extends DiffusionController {
     $action = id(new PhabricatorActionView())
       ->setName(pht('Download Raw Diff'))
       ->setHref($request->getRequestURI()->alter('diff', true))
-      ->setIcon('download');
+      ->setIcon('fa-download');
     $actions->addAction($action);
 
     return $actions;