Issue #1799594 by nod_: Update jQuery version.

core/modules/system/system.module

@@ -1285,7 +1285,7 @@ function system_library_info() {
   $libraries['jquery'] = array(
     'title' => 'jQuery',
     'website' => 'http://jquery.com',
-    'version' => '1.7.0',
+    'version' => '1.8.2',
     'js' => array(
       'core/misc/jquery.js' => array('group' => JS_LIBRARY, 'weight' => -20),
     ),