Provide UI to manager fields for answer entity.
Clean up QuizAnsweringForm.
Attach custom field to answer form.
Fix fatal error introduced in last commit.
Issue #2371653 by carlospdl, djdevin, thehong: Doubtful question must be enable for each question at page take.
follow up last commit.
Add toBareObject to ResponseHandlerInterface.
Cleanup ResponseHandler::toBareObject() and Result\Writer::saveQuestionResult().
Rename Result\Writer::saveQuestionResult() to ::saveAnswer().
Save value of custom fields attached to answer form.
Clean up quiz_directions.classes.inc
Removing overriding method of QuestionHandler::getBodyFieldTitle().
Issue #2395261 by thehong: QuestionHandler::getBodyFieldTitle() is not being used.
Use $input when possible to not conflict with answer entity.
Do not disable display management UI for answer entity.
Add ResponseHandlerBase::loadAnswerEntity().
Display custom fields of answer entity on quiz result page.
Test case for field-able answer entity.
Merge pull request #52 from atdrupal/fieldable-answer

Make answer entity field-able