bump libraries, update changelog

required minimal changes in checkmark jQuery accessor code, found by unit tests

vendor/composer/autoload_real.php

@@ -13,6 +13,9 @@ class ComposerAutoloaderInitDontChange
         }
     }
 
+    /**
+     * @return \Composer\Autoload\ClassLoader
+     */
     public static function getLoader()
     {
         if (null !== self::$loader) {