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.
Fixed #23264: Schema backends honour db_constraint
Removed unused migrate option
Made sqlite's remove_field behave like the base backend.
Fixed remove_field for spatialite schema changes.
Added myself as a team member.
Fixed #23259 -- Corrected insertion order of extra() select_params

A regression caused queries to produce incorrect results for cases where
extra(select) is excluded by values() but included by extra(order_by)

The regression was caused by 2f35c6f10fcbae541691207fb0c0560a13b754fc.
Fixed #23266 -- Prevented queries caused by type checking lookup values

Small modifications done by committer.