Issue #1261002 by nod_: Fixed Draggable tables do not work on touch screen devices.

core/modules/system/system.module

@@ -1338,6 +1338,7 @@ function system_library_info() {
     ),
     'dependencies' => array(
       array('system', 'jquery'),
+      array('system', 'modernizr'),
       array('system', 'drupal'),
       array('system', 'drupalSettings'),
       array('system', 'jquery.once'),