Can draw bass and treble clefs simultaneously.
Refactored Staff to take many of the responsibilities of StaffSet. Created StaffInfo (with associated builder) to cut down on the parameters in StaffSet and Staff.
Refactored Staff to take many of the responsibilities of StaffSet. Created StaffInfo (with associated builder) to cut down on the parameters in StaffSet and Staff.
Merge remote-tracking branch 'origin/player' into player
Merge remote-tracking branch 'origin/master'

Conflicts:
	Test/src/music/NoteValueTests.java
	Test/src/player/EighthTest.java
	Test/src/player/MusicSheet.java
	Test/src/player/PositionedNote.java
	Test/src/player/StemDirectionTests.java
	Test/src/player/TwinkleTwinkleLittleStar.java
	app/hanon/app/model/composer/record/WrittenNote.java
	app/hanon/app/model/player/component/NoteStem.java
	app/hanon/app/model/player/staff/ClefImage.java
	app/hanon/app/model/player/staff/NoteImageFactory.java
	app/hanon/app/model/player/staff/Staff.java
	app/hanon/app/model/player/staff/StaffSet.java
Negotiated changes that David and Austin made.