adding proj quiz assoc
merging mark's quiz
moved quiz and added proj to intro to R
schema change
adding proj to MightHive quizzes
adding proj to quizzes in titanic bootcamp
adding proj to quizzes in crime viz
adding proj to quizzes in pandas intro
adding migration to add project ref to quizzes
Merge pull request #838 from teamleada/tristan_quiz_to_proj

Tristan quiz to proj