Replace _parse_content_type with cgi.parse_header
Fixed #21868: Don't die when seeing py3 namespace packages for mig dirs
Fixed #19879 -- Have 'findstatic' says on which directories it searched the relative paths.

Added searched_locations in finders module. Added verbosity flag level 2 on 'findstatic'
command that will output the directories on which it searched the relative paths.

Reported by ccurvey. Initial patch by Jonas Svensson and Vajrasky Kok.
Fixed #20780 -- Get rid of stale symlinks when using collectstatic.

Thanks to John Giannelos for the initial patch.
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.
Fixed #20916 -- Added a simple_login method to test client