Fixed data quality reporting bug
Questions app now uses Django ORM. Added database router for this purpose.
Added question for choosing data quality prize winners
Ammeded commit
Added question for rewarding high data quality with movie tickets
Added view for seeing and claiming awarded prizes for data quality
Merge branch 'data_quality_prize_question' of https://github.com/MIT-Model-Open-Data-and-Identity-System/SensibleData-Service into data_quality_prize_question

Conflicts:
	sensible_data_service/questions/available_questions/quality_prize_question.py
	sensible_data_service/questions/models.py
Modified aggregate questionnaire question to escape line endings in content
Modified CHANGELOG
Merge branch 'devel' into release-0.2.8
Merge branch 'release-0.2.8'
Added guide for using ticket prizes
Merge branch 'devel' into release-0.2.8
Merge branch 'release-0.2.8'