questions initial implementation - no testes yet
fix multiplechoice bug - correct answer is actually correct
Implemented internal messaging system.
Merged Nik's mysql changes.
Mended mysql class to not return resultsets.
Merge branch 'question' into answer

Conflicts:
	src/quizzically/models/FillInQuestion.java
	src/quizzically/models/MultipleChoiceQuestion.java
	src/quizzically/models/PictureQuestion.java
	src/quizzically/models/Question.java
	src/quizzically/models/Quiz.java
	src/quizzically/models/TextQuestion.java
some fixes
Merge branch 'master' into answer