Validation: cannot rename criteria post-release
Merge pull request #363 from edx/will/TIM-574-take-2

Validation: cannot rename criteria post-release
Fix developer docs
Test datetime fixups
Add Django setting to prepend a prefix to the S3 bucket path
Merge pull request #371 from edx/will/fix-dev-docs

Fix developer docs
Merge pull request #366 from edx/will/ai-grading-s3-bucket-prefix

Will/ai grading s3 bucket prefix
Merge branch 'master' into ai-grading

Conflicts:
	apps/openassessment/xblock/test/data/invalid_rubrics.json
	apps/openassessment/xblock/test/data/valid_rubrics.json
	apps/openassessment/xblock/test/test_message.py
Added management command to simulate AI grading task errors by creating incomplete workflows in the database
Add AI models to the admin page
Configure Celery to use RabbitMQ (default credentials and host) when running workbench
Merge pull request #377 from edx/will/celery-broker-settings

Will/celery broker settings
Updating the way we create rubrics in the workflow mixin
Merge pull request #376 from edx/will/ai-models-admin

Will/ai models admin
Merge pull request #374 from edx/will/simulate-grading-error-cmd

Will/simulate grading error cmd
Merge pull request #379 from edx/sanchez/create_rubric_properly

Sanchez/create rubric properly
Updating Staff Debug section for AI