django.git, branch 1.11.21

[1.11.x] Bumped version for 1.11.21 release.

2019-06-03T09:48:10Z

[1.11.x] Fixed CVE-2019-12308 -- Made AdminURLFieldWidget validate URL before rendering clickable link.

2019-06-03T09:38:19Z

Backport of deeba6d92006999fee9adfbd8be79bf0a59e8008 from master.

[1.11.x] Added stub release notes for security releases.

2019-06-03T08:54:19Z

Backport of 98c0fe19ee2cba9726708ac9336e1dc0d43cca69 from master

[1.11.x] Refs #27807 -- Removed docs for User.username_validator.

2019-04-08T00:09:15Z

The new override functionality claimed in refs #21379 doesn't work. Forwardport of 714fdbaa7048c2321f6238d9421137c33d9af7cc from stable/1.10.x.

[1.11.x] Refs #30331 -- Doc'd that psycopg2 < 2.8 is required.

2019-04-05T10:13:05Z

Backport of 0a8617a5b1cac7063f30e4d8ff4ea4c30748f7b8 from stable/2.1.x.

[1.11.x] Fixed #30277 -- Fixed broken links to packaging.python.org.

2019-03-21T14:08:38Z

Backport of 8f1cc7e9e61758475ddd6586e0fede4af1ca0e8d from master.

[1.11.x] Fixed serializers test crash if PyYAML isn't installed.

2019-03-20T15:11:02Z

Follow up to a57c783dd4e6dc73847081221827a1902eede88b. Backport of 55490ac7469a3647ce163bee323f7fe4a06fcaa6 from master

[1.11.x] Fixed serializers tests for PyYAML 5.1+.

2019-03-14T17:45:14Z

Backport of a57c783dd4e6dc73847081221827a1902eede88b from master

[1.11.x] Reverted "Fixed relative paths imports per isort 4.3.5."

2019-03-03T18:47:17Z

This reverts commit 463fe11bc8b2d068e447c5df677e7a31c2af7e03 due to restore of relative paths sorting from isort < 4.3.5 in isort 4.3.10. Backport of b435f82939edf70674856e0e1cd63973c2e0a1d1 from master.

[1.11.x] Fixed relative paths imports per isort 4.3.5.

2019-02-25T19:02:56Z

Backport of 463fe11bc8b2d068e447c5df677e7a31c2af7e03 from master.