JavaScript translation catalog docs contain deprecated code

[Sylvain Fankhauser]

From the 1.9 docs (​https://docs.djangoproject.com/en/1.9/topics/i18n/translation/#using-the-javascript-translation-catalog):

<script type="text/javascript" src="{% url 'django.views.i18n.javascript_catalog' %}"></script>

However the ability to reverse using a Python path has been deprecated in Django 1.8. Also this doesn't make sense since in the previous example multiple catalogs are defined, so this wouldn't work anyway for multiple catalogs.

I guess the example could simply be updated to use a named route.

[Tim Graham <timograham@…>]

In 31817dd:

Fixed #26136 -- Removed URL reversing by dotted path from JavaScript catalog example.

[Tim Graham <timograham@…>]

In c2dfc361:

[1.8.x] Fixed #26136 -- Removed URL reversing by dotted path from JavaScript catalog example.

Backport of 31817dd2eb69db54eb559716aae42fe55ada5fea from master

[Tim Graham <timograham@…>]

In e47f0c12:

[1.9.x] Fixed #26136 -- Removed URL reversing by dotted path from JavaScript catalog example.

Backport of 31817dd2eb69db54eb559716aae42fe55ada5fea from master