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/search/controller/PhabricatorApplicationSearchController.php

@@ -165,7 +165,7 @@ final class PhabricatorApplicationSearchController
     $errors = $engine->getErrors();
     if ($errors) {
       $run_query = false;
-      $errors = id(new PHUIErrorView())
+      $errors = id(new PHUIInfoView())
         ->setTitle(pht('Query Errors'))
         ->setErrors($errors);
     }