Fixed doc comment in django.contrib.admin example to match the code

Create headings and expand CBV docs so that the "Built-In CBV" docs include a full list.

due to non-standard syntax (a stray comma). Thanks dmishe for the report.

Fixed #17183 - Added a note regarding LocaleMiddleware at the top of the i18n docs. Thanks krzysiumed for the patch.

Thanks philipn for the report and mateusgondim for the patch.

Thanks George Marshall for the report.

Only Python versions affected by http://bugs.python.org/issue670664
should patch HTMLParser.
Thanks Raphaël Hertzog for the initial patch (for 1.4).

in LiveServerTestCase.

These tests don't look very meaningful. They were ported from
doctests...

[py3] Fixed installed_models filtering.

  Document SECRET_KEY becoming required in 1.5.

  Also expand the description slightly, and add a more prominent warning
  about the security implications of running with an exposed SECRET_KEY.

For backwards compatibility with stupid people like me. Refs #18772.

By using settings config, we take advantage of custom settings like
KEY_PREFIX which allows for example to run tests in parallel.

Removed several inappropriate .encode('utf-8') calls in the process.

In Python 3, \w matches any Unicode character.

Thanks thecore for the report.

Complementary to commit 62a9ed0a.