Added close button function

Close button under File tab now closes out of the program.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/TestZipAndManifest.java
Added AssessmentControl to Assessment
Added some minor d2l quiz zip file read functionality to the UI with
tester label output.
Merge remote-tracking branch 'origin/Test_Jared'
Quiz Options Changes

Added quiz.options package. Added AssessFeedback class. Moved
AssessmentControl to quiz.options
Started work on options package and Procextension class