Fixed #23257 -- Updated docs for new django-jython release.
Removed some tabs in the docs.
Fixed #23099 -- Removed usage of deprecated initial data in Django's test suite.

Thanks Claude Paroz for assistance with debugging the tests.
Fixed a non-deterministic test; refs #23099.
Fixed #22336 -- Added path matching for makemessages ignore option

This fixes a regression introduced by 9012a9e200.