Replace _parse_content_type with cgi.parse_header
Fixed #21771 -- Made log_deletion consistent with other log methods.

Thanks Keryn Knight for the report.
Fixed #21382 - Added "has_original" to stacked inlines.

Report and original patch from jrief.
Silence deprecation warnings.

Also they should only be raised if allow_syncdb does exist, not just if
allow_migrate does not.

Refs comments on 250841017c6c456806cadd214b4e130aa998233d
Removed double word in model docs
Merge pull request #2245 from funkybob/parse_header

Replaced _parse_content_type with cgi.parse_header
Minor edits to new findstatic functionality; refs #19879.

Hopefully fixes a test failure on Jenkins.
Fixed #21763 -- Added an error msg for missing methods on ManyRelatedManager.

Attempting to add() and remove() an object related by a 'through' model
now raises more descriptive AttributeErrors, in line with set and
create().
Fixed #21992: Skipped test when pytz is missing.

The test fails on Windows when pytz is not installed.
Removed unused import in humanize tests.
Allowed a message to be passed to assertQuerysetEqual to make it consistent with other assert methods.
Refactored RecursiveM2MTests into smaller pieces, refs #18586.
Fixed #20784 -- Added inverse_match parameter to RegexValidator.
Fixed #21994 -- Added form_dict argument to calls of WizardView.done()

Added an additional keyword argument ``form_dict`` to calls of
WizardView.done() implementations which allows easier access to validated
forms by their step name.
Fixed #21190 -- Added a new ePub theme for documentation.
Fixed #21371 -- Added the block.super to admin bodyclass blocks.

Thanks Keryn Knight for the report.
Fixed #17673 -- Forbid field shadowing.

Thanks Anssi Kääriäinen for the suggestion.
Added 1.6.3 release notes stub
Fixed #21996 -- Used proper encoding for GeoIP content

Thanks Florent Messa for the report.
Reordered INSTALLED_APPS in default template, refs #22005