Add user calendar view on the dashboard and in the user management section

app/Template/user/calendar.php

@@ -0,0 +1,5 @@
+<div id="user-calendar"
+     data-check-url="<?= $this->u('calendar', 'user') ?>"
+     data-user-id="<?= $user['id'] ?>"
+>
+</div>

app/Template/user/sidebar.php

@@ -37,6 +37,9 @@
             <li>
                 <?= $this->a(t('User dashboard'), 'app', 'dashboard', array('user_id' => $user['id'])) ?>
             </li>
+            <li>
+                <?= $this->a(t('User calendar'), 'user', 'calendar', array('user_id' => $user['id'])) ?>
+            </li>
         <?php endif ?>
 
         <?php if ($this->userSession->isAdmin() && ! $this->userSession->isCurrentUser($user['id'])): ?>