Change setErrorView to setInfoView in PHUIObjectBoxView

Summary: Renames the method in PHUIObjectBoxView to match the new PHUIInfoView class.

Test Plan: grepped codebase. Went to Calendar and tried a new status.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D12005

src/applications/maniphest/controller/ManiphestReportController.php

@@ -270,7 +270,7 @@ final class ManiphestReportController extends ManiphestController {
     $panel = new PHUIObjectBoxView();
     $panel->setHeaderText($header);
     if ($caption) {
-      $panel->setErrorView($caption);
+      $panel->setInfoView($caption);
     }
     $panel->appendChild($table);