Fixed #20307 -- word repeated in tutorial

Replaced "the the" in the tutorial with "the".
Fix CharField typo in legacy-databases.txt docs

The example Person model in the legacy databases HowTo had a typo referring to ChaField instead of Charfield
Merge pull request #1029 from carmi/patch-1

Fix CharField typo in legacy-databases.txt docs
Updated Transifex links to the Django project

Translations for the Django framework are now hosted on the
django-core Transifex project, and the django project is only
dedicated to a team-only hub project.
Removed an errant ipdb import from commit 9777442
Negligible formatting fixes in query_utils.py
Converted a list comprehension into a generator expression in query_utils.py
Fixed #20321 -- Added missing key name in MergeDict KeyError message

Thanks mark.harviston et gmail.com for the report.
Fixed #18336 -- Doubled request_queue_size.

This reduces random failures to load static files with Google Chrome.
Pointed to the docs version switcher in tutorial 1.

Refs #20324. Thanks dwisehart for the suggestion.
Fixed #18986 -- Improved error message for missing files

in CachedStaticFilesStorage. Thanks zyegfryed for his work on the patch.
Tested that get_or_create raises IntegrityError.

It used to raise "DatabaseError: no such savepoint" with the old
transaction management. Closes #15117.
Merge branch 'master' of https://github.com/django/django
Corrected "it's" to "its" when used possessively.