popular quizzes
Merge branch 'victory' of github.com:adi3/quizzically into victory

Conflicts:
	src/quizzically/models/Quiz.java
	src/quizzically/models/QuizAttempt.java
	src/quizzically/test/QuizAttemptTest.java
Merge branch 'frontend' into victory
first column of home page
Merge branch 'frontend' of github.com:adi3/quizzically into frontend