[1.5.x] Fixed #20309 -- admin.py is not automatically created in Django 1.5
[1.5.x] Fixed test failures introduced in a5becad9094e5c5403b692b9a7b3a6ffaabf64a3.

Backport of 780fa48f5fb81b2f0f58de95167abff84a6149aa from master
[1.5.x] Fixed #20305 - Added include for polls/static to MANIFEST.in in tutorial.

Thanks monuszko for the report.

Backport of 86d3079d57 from master
[1.5.x] Fixed #20274 - Added some clarifying section headings in the test docs.

Backport of e886808994 from master
[1.5.x] Fixed #20177 - Corrected docs for django.test.utils.setup_test_environment.

Thanks vlad.london.uk@ for the report.

Backport of bc02a963db from master
[1.5.x] Fixed #20354 -- `makemessages` no longer crashes with `UnicodeDecodeError`

Handle the `UnicodeDecodeError` exception, send a warning to `stdout` with the
file name and location, and continue processing other files.
Backport of 99a6f0e77 from master.
[1.5.x] [py3] Stopped iterating on exceptions. Refs #20025.

Backport of 86b4ac66 from master.
[1.5.x] Fixed #20025 -- Pointed to a MySQLdb fork for Python 3.

Made a few minor compatibility adjustments.

Backport of e81e319f from master.
[1.5.x] Fixed #20385 -- Typo in files docs.

Backport of bdd2857 from master.
[1.5.X] Fixed #20249 - Removed a "feature" in the tutorial that doesn't actually work.

Thanks bmispelon for the report and draft patch.

Backport of 679a2ac843 from master
[1.5.X] Fixed #20136 - Fixed and expanded the docs for loaddata and model signals.

Thanks brandon@ and Anssi for the report.

Backport of 2c62a509de from master
[1.5.X] Fixed #20397 - Cleaned up issue with quotation marks in documentation

Backport of b9efc03e6d from master
[1.5.x] Fixed #20398 - Added language selection code to example in documentation

Thanks ggbaker for the suggestion and Simeon Visser for the patch.

Backport of 897e4eab65 from master
[1.5.x] Fixed #20394 - Clarified argument of get_user in docs

Backport of 1172bef998 from master.
[1.5.x] Fixed a minor spelling mistake in the queryset documentation

Backport of d258cce482 from master
[1.5.x] Fixed #20165 - Updated testing example to use django.test.TestCase.

Thanks Lorin Hochstein.

Backport of 84d8b247d2 from master.
[1.5.x] Fixed #19712 - Clarified admindocs regarding which attributes appear.

Thanks Daniele Procida for the report.

Backport of b5b63079bd from master
[1.5.x] Fixed #20421 - Typo in class-based view docs.

Backport of 289afc3156 from master
[1.5.x] Fixed #20335 - Documented the {% language %} template tag.

Thanks bmispelon for the suggestion and djangsters for the patch.

Backport of 96cabba808 from master
[1.5.x] Fixed #20446 -- Documentation for SmallIntegerField does not clarify 'small'

Backport of 56e2f6ccae from master