Removes Questions.txt
Adds in instructions that autoscale to window size.
Rebases UI branch onto updates in Master to get category fix.
Changes Button class to draw with corners. Changes color scheme of
ToggleButton.
Changes ToggleButton to be drawn as a depressed or unpressed button.
Merge remote-tracking branch 'origin/UI' into AI_Improvement

Conflicts:
	Trivia/bin/trivia/Resources/question_Sets/Event Guidelines.txt
	Trivia/src/trivia/Actor.java
	Trivia/src/trivia/GameEngine.java
	Trivia/src/trivia/MainMenu.java