Added a question field and title to the mutliplechoice entering panel.
Added new text fields to multiple choice question field.
added lots of stuff to the edit multiple choice professor page, can choose how many correct answers
made multiple choice edit page more fuctional
added pop up box to delete question button
added level selecter and more pop up boxes
Merge branch 'master' into prof-mult
Fixed saving of content when redrawing the Panel and saving the multiple choice question back in the tree
Added JavaDoc comments to viewEdit panels, etc.
Changed folder structure slightly.
Added eclipse preference file.
fixed merge conflicts and folder structure
added QuestionFactory