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/ponder/controller/PonderQuestionViewController.php

@@ -93,20 +93,20 @@ final class PonderQuestionViewController extends PonderController {
 
     $view->addAction(
       id(new PhabricatorActionView())
-        ->setIcon('edit')
+        ->setIcon('fa-pencil')
         ->setName(pht('Edit Question'))
         ->setHref($this->getApplicationURI("/question/edit/{$id}/"))
         ->setDisabled(!$can_edit)
         ->setWorkflow(!$can_edit));
 
     if ($question->getStatus() == PonderQuestionStatus::STATUS_OPEN) {
-      $name = pht("Close Question");
-      $icon = "delete";
-      $href = "close";
+      $name = pht('Close Question');
+      $icon = 'fa-times';
+      $href = 'close';
     } else {
-      $name = pht("Reopen Question");
-      $icon = "enable";
-      $href = "open";
+      $name = pht('Reopen Question');
+      $icon = 'fa-check-circle-o';
+      $href = 'open';
     }
 
     $view->addAction(
@@ -120,7 +120,7 @@ final class PonderQuestionViewController extends PonderController {
 
     $view->addAction(
       id(new PhabricatorActionView())
-        ->setIcon('transcript')
+        ->setIcon('fa-list')
         ->setName(pht('View History'))
         ->setHref($this->getApplicationURI("/question/history/{$id}/")));
 
@@ -316,7 +316,7 @@ final class PonderQuestionViewController extends PonderController {
 
     $view->addAction(
       id(new PhabricatorActionView())
-        ->setIcon('edit')
+        ->setIcon('fa-pencil')
         ->setName(pht('Edit Answer'))
         ->setHref($this->getApplicationURI("/answer/edit/{$id}/"))
         ->setDisabled(!$can_edit)
@@ -324,7 +324,7 @@ final class PonderQuestionViewController extends PonderController {
 
     $view->addAction(
       id(new PhabricatorActionView())
-        ->setIcon('transcript')
+        ->setIcon('fa-list')
         ->setName(pht('View History'))
         ->setHref($this->getApplicationURI("/answer/history/{$id}/")));