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/fact/controller/PhabricatorFactHomeController.php

@@ -97,8 +97,8 @@ final class PhabricatorFactHomeController extends PhabricatorFactController {
     }
 
     if (!$options) {
-      return id(new PHUIErrorView())
-        ->setSeverity(PHUIErrorView::SEVERITY_NOTICE)
+      return id(new PHUIInfoView())
+        ->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
         ->setTitle(pht('No Chartable Facts'))
         ->appendChild(phutil_tag(
           'p',