Fixed #20168 - Generalized a PostgreSQL specific database query in the docs.

Thanks Russ for the suggestion.
Fixed #9913 - Clarified User.is_authenticated docs.

Thanks rshea for the draft text.
Fixed #8649 - Documented a caveat about dynamically adjusting formsets.
Fixed #19220 -- Prevented decimals to be displayed in scientific notation

Thanks nebstrebor for the report and antofik for the patch.
Fixed #20167 -- Preserve the traceback of `ImportError`s in `import_by_path`.

Thanks @carljm for the review.
Updated some 'Dive Into Python' links
Fixed #20172 -- Ensured urlize supports IPv4/IPv6 addresses

Thanks Marc Aymerich for the report and the initial patch.
Added more tests for strip_tags utility

Refs #19237.
Fixed getting max_digits for MySQL decimal fields

Refs #5014.
Fixed #5014 -- Guessed max_digits and decimal_places for SQLite

Decimal is treated as float on SQLite, hence inspectdb can only
guess max_digits and decimal_places arguments.
Imported unittest from django.utils in util_tests

Without this, the 'new' assertion methods are not present with
Python 2.6.
Fixed #16737 -- Support non-ascii column names in inspectdb

Thanks moof at metamoof.net for the report.
Fixed #20169 -- Ensured that the WSGI request's path is correctly based on the `SCRIPT_NAME` environment parameter or the `FORCE_SCRIPT_NAME` setting, regardless of whether or not those have a trailing slash. Thanks to bmispelon for the review.
Relaxed time frame check in test_strip_tags
Fixed deprecation warnings introduced by 97774429aeb54df4c09895c07cd1b09e70201f7d.
Fixed #19748 - Documented django.utils.module_loading.import_by_path
Added a dedication to Malcolm to release notes.
Move last remaining tests out of models.py files; prep for test discovery.
Modified admindocs tests to work with unittest2 discovery.
Updated flatpages tests for unittest2 discovery.