Add crumbs to calendar

Summary: Crumbs everywhere. Not sure how to better format the date, let me know.

Test Plan: Browse everything I can see in Calendar

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, epriestley, aran

Maniphest Tasks: T4440

Differential Revision: https://secure.phabricator.com/D8265

src/applications/calendar/controller/PhabricatorCalendarEventEditController.php

@@ -166,6 +166,8 @@ final class PhabricatorCalendarEventEditController
     }
     $form->appendChild($submit);
 
+
+
     $form_box = id(new PHUIObjectBoxView())
       ->setHeaderText($page_title)
       ->setFormErrors($errors)
@@ -174,8 +176,13 @@ final class PhabricatorCalendarEventEditController
     $nav = $this->buildSideNavView($status);
     $nav->selectFilter($filter);
 
+    $crumbs = $this
+      ->buildApplicationCrumbs()
+      ->addTextCrumb($page_title);
+
     $nav->appendChild(
       array(
+        $crumbs,
         $form_box,
       ));