Converted a query to entity_load.
Rebuild the registry on update just in case.
Fixed issue where quiz result feedback header showed up when there was no feedback.
Issue #2390761 by djdevin: Don't re-show choices on feedback view
Doc fix.
Issue #2390609 by djdevin: Quiz question feedback always loads the most recent revision of the question
Issue #2390613: Add descriptions to Quiz database table columns
Revert "Issue #2390613: Add descriptions to Quiz database table columns"

This reverts commit 16042fc29502924580d507862d1f7b048b313e38.
Issue #2375145 by djdevin, thehong: QuizQuestion::saveRelationships() should accept quiz ID & VID params
I accidentally deleted quiz_ddlines module.
This reverts commit 464167a58736640bc38e0a6fab2eeffe59f22374.
Issue #2392485 by djdevin: Generic text for no feedback and misc feedback permissions, plus minor feedback cleanup. Granting default permissions and fixing "view own quiz results" not being checked.
Issue #1874736 by ultimike, idebr: Theme key "node_form" not found on Quiz take
Issue #2383029 by djdevin: support for integrations such as h5p where the question node is not owned by quiz
Revert "Issue #2383029 by djdevin: support for integrations such as h5p where the question node is not owned by quiz"

This reverts commit 790c3d9f4a72c07feb4cafafcdf7be1ce248d7d2.
Issue #2397293 by djdevin: Don't display a question feedback row unless one of the question review options is enabled
Issue #2397293 by djdevin: Dont display a question feedback row unless one of the question review options is enabled
Issue #2397405 by kyoder: start quiz link needs a class
Wording change for result summary texts.
Issue #2391867 by djdevin: Upgrade path test cases should also check for table indexes
Issue #2391867 by djdevin: added missing index