Move quiz_question_get_info() up.
Remove _quiz_get_quiz_name().
Define schema and basic classes for Question & Question type entities.
Update label for quiz entity from t('Quiz') to QUIZ_NAME.
Rename {quiz_question_types} to {quiz_question_type}
Fix wrong admin controller class for question entity.
Merge pull request #98 from atdrupal/question-entity

Provide basic structure for question entity