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/diffusion/controller/DiffusionController.php

@@ -243,8 +243,8 @@ abstract class DiffusionController extends PhabricatorController {
   }
 
   protected function renderStatusMessage($title, $body) {
-    return id(new PHUIErrorView())
-      ->setSeverity(PHUIErrorView::SEVERITY_WARNING)
+    return id(new PHUIInfoView())
+      ->setSeverity(PHUIInfoView::SEVERITY_WARNING)
       ->setTitle($title)
       ->appendChild($body);
   }