Possible values are: - normal - preformatted - heading 1 - heading 2 -
heading 3 - address
Note: This is the place to add further formats like lists, etc.
Note: The HtmlEditorView and -Controller must of course also support new
formats when adding them!
author: fdietz, Karl Peder Olesen (karlpeder)
Inner Class :protected static class ParagraphFormatMenuItem extends JRadioButtonMenuItem