Clean up ResultHelper.
Clean up QuizUserResultController.
ResultHelper::isResultCompleted() is not needed.
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Fix "Add action to quiz" action to able to add question to quiz entity.
misc
Define menu item structure for /quiz-result/%
Update old code to work with quiz-entity.
Add __quiz_entity_id()
Merge pull request #65 from v3kwip/quiz-entity/result-single-page

Result single page