Fixed the path to the admin's compress.py script in the doc.
|includes a handy script which should be used to create a "minified" version.|
|-This script is located at ``django/contrib/admin/static/js/compress.py``.|
|+This script is located at ``django/contrib/admin/static/admin/js/compress.py``.|
|Behind the scenes, ``compress.py`` is a front-end for Google's|
|`Closure Compiler`_ which is written in Java. However, the Closure Compiler|