Rename clearButton property to removeButton
Add removePopupMenu property
Change removeButton text to Remove...
Add removeAllMenuItem property
Rename ClearButtonListener and add it to removeAllMenuItem
Add RemoveButtonListener
Add JSplitButton Library
Change removeButton type to JSplitButton
Create RemoveFrame
Add title to Frame
Add and Initialize RemoveFrame properties
Add okButton listener
Add removeButton listener
Add Components to RemoveFrame
Improve Note.tostring() for flat and sharp signs
Add listeners to buttons of RemoveFrame
Update gitignore
Update gitignore again
Fix removeButtonListener to update
Update gitignore