Refactored
Variable for course id
Merge branch 'master' of github.com:Eduki/eduki into refactor-quiz-attempt

Conflicts:
	app/assets/javascripts/models/quiz_attempt.js
	app/assets/javascripts/views/users/quiz_attempts.js
JSLint
Merge pull request #185 from Eduki/refactor-quiz-attempt

Refactor quiz attempt