brian espelling edits
fixing visual typo
Merge pull request #836 from teamleada/tristan_viz_typos

fixing visual typo
Add migration to change quiz_id to string
Actually run migration
Set the primary key to be quiz_id
adding proj quiz assoc
Merge pull request #837 from teamleada/mark-quiz

Mark quiz
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
disabling crime viz
Merge branch 'master' into brian_QA_Pandas
Merge pull request #846 from teamleada/brian_QA_Pandas

Brian qa pandas