1. Add intent between QuizActivity and CheatActivity.
2. Wire up CheatActivity with intent.
Add return intent in CheatActivity
Add logic in QuizActivity to display judgment toast when user has cheated.
Remember that user cheated when display is rotated.
Bug fix for remembering cheating on rotation
Remember cheating when user rotates in QuizActivity
Add third field in TrueFalse class to indicate whether user has cheated on a question.
Revert modification of adding boolean field to TrueFalse class
Add boolean[] to keep track of questions user cheated on to prevent bug when cycling through questions.