PHUIErrorView

Summary: Clean up the error view styling.

Test Plan:
Tested as many as I could find, built additional tests in UIExamples

{F280452}

{F280453}

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11605

src/applications/ponder/controller/PonderQuestionViewController.php

@@ -30,8 +30,8 @@ final class PonderQuestionViewController extends PonderController {
 
     $authors = mpull($question->getAnswers(), null, 'getAuthorPHID');
     if (isset($authors[$user->getPHID()])) {
-      $answer_add_panel = id(new AphrontErrorView())
-        ->setSeverity(AphrontErrorView::SEVERITY_NODATA)
+      $answer_add_panel = id(new PHUIErrorView())
+        ->setSeverity(PHUIErrorView::SEVERITY_NODATA)
         ->appendChild(
           pht(
             'You have already answered this question. You can not answer '.