Field questionId moved up from MultipleChoiceQuestion to AbstractQuestion.
Created class FillInTheBlankQuestion.
FillInTheBlankQuestion passes a JUnit test.
FillInTheBlankQuestion can now separate words before and after the blank.
Created FillInTheBlankPanel which displays before and after text.
Completed task of displaying fill in the blank question.
FillInTheBlankPanel reacts to enter pressed when text field has focus.
FillInTheBlankPanel now indicates (in console) if answer was correct.
Cleaned up code in FillInTheBlankPanel.
Merge branch 'master' into prof-mult
deleted unneeded methods
Added a note about a bug and fixed image loading
Made an edit question panel and a split panel that responds to an add question button
added two viewEdit classes for the professor page