[1.5.x] Bump version post-release.
[1.5.x] Fixed typo in docs/releases/1.4.9.txt.

Backport of 3b0293370a from master
[1.5.x] Fixed #21325 -- Added missing argument to permission_required decorator.

Backport of cc2049cdd7 from master
[1.5.x] Fixed #21335 -- Use importlib from python3 when using python3

Backport of 3351e94ffa from master.
Revert "[1.5.x] Fixed #21335 -- Use importlib from python3 when using python3"

This reverts commit 1ef737416ab56a6becee36876769909a37541465.
This would require changing some import_module calls (relative
syntax, see ec0a3f50852), too much for a stable release.
[1.5.x] Fixed #21337 -- Documented removal of django.core.servers.basehttp.WSGIServerException

refs 2ca00faa913754cd5860f6e1f23c8da2529c691a

Backport of b47a052eb5 from master
[1.5.x] Fixed #21316 -- Documented that modifying safe strings makes them unsafe.

Thanks dev@simon.net.nz for the suggestion and vijay_shanker for the patch.

Backport of 1edef50880 from master
[1.5.x] Documented the limitation on sep argument to Signer

Co-Authored-By: Gavin Wahl <gwahl@fusionbox.com>

Backport of e9a356a695 from master
[1.5.x] Fixed #21294 -- Clarified the logout next_page argument.

Thanks wim at go2people.nl for the report.

Backport of 51e6575472 from master
[1.5.x] Fixed #21359 -- Corrected MySQL collation name in databases docs

Thanks k_sze for the report.
Backport of 67c6c1a7c from master.
[1.5.x] Fixed #21364 -- Specified InnoDB full-text support from MySQL 5.6.4 on

Thanks thevlad at gmail.com for the report.
Backport of 89116cf24a from master.
[1.5.x] Fixed typo -- "a" user, not "an" user

Backport of c7dabe49dd from master
[1.5.x] Fixed spelling ("dependant" -> "dependent")

Dependent means reliant on.
A dependant is a person like a child or spouse.

Thanks Andrew Wilcox for the report.

Backport of 090315f5df from master
[1.5.x] Removed no longer relevant word

Backport of 3935b0f263 from master
[1.5.x] Added 1.4.10 release notes.

Backport of c29dd76f40 from master
[1.5.x] Fixed broken link for TestCase.multi_db.
[1.5.x] Added missing parameter in npgettext_lazy docs

Backport of 413307fe35 from master
[1.5.x] Fixed #21372 -- Corrected docs regarding translating LANGUAGES.

Corrected LANGUAGES documentation on how to translate language
names. Now using django.utils.translation.ugettext_lazy instead
of a dummy gettext() function.

Thanks to Salvatore for the report.

Backport of 8bc350b38516d8c3a14aed113dd3402b9375b75c from master.

Conflicts:
	docs/topics/i18n/translation.txt
[1.5.x] Removed a mention of `Form._errors` from the documentation.

Also removed a sentence that was incorrect: raising a
`ValidationError` inside `Form.clean` doesn't clear the
`cleaned_data` attribute.

Thanks to loic84 and timograham for the review.

Backport of 9aa6d4bdb6618ba4f17acc7b7c0d1462d6cbc718 and
0048ed77c7016a03aed6dbc255a6372f3df2ccd5 from master.
[1.5.x] Propagate get_user_model exception from get_user

Fixes #21439

Backport of 3560ef04 from master.

Conflicts:
	django/contrib/auth/tests/auth_backends.py