Add comments sorting

app/Template/task/comments.php

@@ -1,7 +1,13 @@
 <?php if (! empty($comments)): ?>
 <div id="comments" class="task-show-section">
     <div class="page-header">
-        <h2><?= t('Comments') ?></h2>
+        <h2>
+            <?= t('Comments') ?>
+            <span class="comment-sorting">
+                <i class="fa fa-sort"></i>
+                <?= $this->url->link(t('change sorting'), 'comment', 'toggleSorting', array('task_id' => $task['id'], 'project_id' => $task['project_id'])) ?>
+            </span>
+        </h2>
     </div>
 
     <?php foreach ($comments as $comment): ?>
@@ -16,13 +22,13 @@
 
     <?php if (! isset($not_editable)): ?>
         <?= $this->render('comment/create', array(
-                'skip_cancel' => true,
-                'values' => array(
-                    'user_id' => $this->user->getId(),
-                    'task_id' => $task['id'],
-                ),
-                'errors' => array(),
-                'task' => $task
+            'skip_cancel' => true,
+            'values' => array(
+                'user_id' => $this->user->getId(),
+                'task_id' => $task['id'],
+            ),
+            'errors' => array(),
+            'task' => $task
         )) ?>
     <?php endif ?>
 </div>