Move PHUIErrorView to PHUIInfoView

Summary: Since this element isn't strictly about errors, re-label as info view instead.

Test Plan: Grepped for all callsites, tested UIExamples and a few other random pages.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: hach-que, Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11867

src/applications/auth/controller/PhabricatorAuthController.php

@@ -15,7 +15,7 @@ abstract class PhabricatorAuthController extends PhabricatorController {
   }
 
   protected function renderErrorPage($title, array $messages) {
-    $view = new PHUIErrorView();
+    $view = new PHUIInfoView();
     $view->setTitle($title);
     $view->setErrors($messages);