Added New Relic
Added Send Grid
Initial migration
Added quizzes
Added questions
Added options
Question validations
Presence validations
Added answers
Added answer counter cache to option
Added questions count counter cache to quiz
Added association from answer to question
Added quiz takers method to quiz
Added answers association
Added taken quizzes method
Added route resources
Added generated controllers
Added skeleton actions
Full quizzes controller
Added rabl config file