Minor - adding comments

src/ChamiloLMS/Composer/Tasks.php

@@ -1,7 +1,13 @@
 <?php
+/* For licensing terms, see /license.txt */
 
 namespace ChamiloLMS\Composer;
 
+/**
+ * Class Tasks
+ * Executes tasks when executing composer update/install methods
+ * @package ChamiloLMS\Composer
+ */
 class Tasks
 {
     public static function postInstall()

src/ChamiloLMS/Controller/UserPortalController.php

@@ -43,6 +43,10 @@ class UserPortalController extends CommonController
         $items = null;
         $type = str_replace('/', '', $type);
 
+        /** var $pageController \PageController */
+        $pageController = $app['page_controller'];
+
+
         switch ($type) {
             case 'sessions':
                 $items = $app['page_controller']->returnSessions(api_get_user_id(), $filter, $page);