Fixed #23352 -- Added tests for MigrationGraph.{forwards,backwards}_plan
Clarified release preparation step about dates.
Fixed #23341 -- Added migration name to nonexistent migration error in makemigrations.
Fixed #22154 -- Added "Built-in" to some class-based views titles.
Fixed #21648 -- Deprecated is_admin_site option to auth.views.password_reset().
Fixed #23131 -- Documented serialization of callable functions in migrations.
Fixed #23355 -- Updated admin jQuery to 1.11.1.
Alphabetized AUTHORS by first name.
Removed unnecessary absolute_imports.
Made main user disconnect after creating test user/tablespaces on Oracle
Clarified that makemessages -l takes a locale name, not a language code.
Fixed #23075 -- Added documentation on novalidate attribute and made it default for admin

Thanks to sehmaschine for the report and to Tim Graham for the review.
Added words to spelling_wordlist.
Fixed spelling mistake in file docs.
Fixed #23362 -- Clarified "database columns as attributes" in tutorial.
Fixed #17719 -- Documented that template syntax sequences cannot be used as string literals.
Document that we should also offer sha256 checksums for packages
Allowed skipIf/UnlessDBFeature to accept several feature strings
Removed some more hardcoded backends in GIS tests

Refs #22632. Thanks Tim Graham for the review.
Fixed #19312 -- Documented MySQL TIMESTAMP columns cannot be used with USE_TZ=True.