Upgrade method

Author: danielbrendel

app/modules/UpgradeModule.php

@@ -6,6 +6,13 @@
  * Perform migration upgrades
  */
 class UpgradeModule {
+    /**
+     * @return void
+     */
+    private static function upgradeTo5dot6()
+    {
+    }
+
     /**
      * @return void
      */