Fixed #25289 -- Updated admin's jQuery to 2.1.4.

Copyright (c) 2010 John Resig, http://jquery.com/

Copyright jQuery Foundation and other contributors, https://jquery.org/

This software consists of voluntary contributions made by many

individuals. For exact contribution history, see the revision history

available at https://github.com/jquery/jquery

====

Permission is hereby granted, free of charge, to any person obtaining

a copy of this software and associated documentation files (the

Django admin JavaScript makes use of the `jQuery`_ library.

To avoid conflicts with user-supplied scripts or libraries, Django's jQuery

(version 1.11.2) is namespaced as ``django.jQuery``. If you want to use jQuery

(version 2.1.4) is namespaced as ``django.jQuery``. If you want to use jQuery

in your own admin JavaScript without including a second copy, you can use the

``django.jQuery`` object on changelist and add/edit views.

    The embedded jQuery has been upgraded from 1.9.1 to 1.11.2.

.. versionchanged:: 1.9

    The embedded jQuery has been upgraded from 1.11.2 to 2.1.4. This drops

    support for Internet Explorer 8 and below. You can restore support by

    :ref:`including your own version of jQuery 1.X <admin-browser-support-19>`.

The :class:`ModelAdmin` class requires jQuery by default, so there is no need

to add jQuery to your ``ModelAdmin``’s list of media resources unless you have

a specific need. For example, if you require the jQuery library to be in the

This implicit ``__in`` no longer happens so the "IN" SQL is now "=", and if the

subquery returns multiple results, at least some databases will throw an error.

.. _admin-browser-support-19:

``contrib.admin`` browser support

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The admin no longer supports Internet Explorer 8 and below, as these browsers

have reached end-of-life.

CSS and images to support Internet Explorer 6 and 7 have been removed. PNG and

GIF icons have been replaced with SVG icons, which are not supported by

Internet Explorer 8 and earlier.

The jQuery library embedded in the admin has been upgraded from version 1.11.2

to 2.1.4. jQuery 2.x has the same API as jQuery 1.x, but does not support

Internet Explorer 6, 7, or 8, allowing for better performance and a smaller

file size. If you need to support IE8 and must also use the latest version of

Django, you can override the admin's copy of jQuery with your own by creating

a Django application with this structure::

    app/static/admin/js/vendor/

        jquery.js

        jquery.min.js

Miscellaneous

~~~~~~~~~~~~~

* CSS and images in ``contrib.admin`` to support Internet Explorer 6 & 7 have

  been removed as these browsers have reached end-of-life.

* The jQuery static files in ``contrib.admin`` have been moved into a

  ``vendor/jquery`` subdirectory.