Added VisibilitListView and InheritedClass view.
Refactored InheritedClass into a class instead of a String property in ClassDef to match TOZE-1.0.
Put setBackground(WHITE) in ParagraphView super class.
UI work:

Added special character palette.
Added paragraph palette
Added error list

Reorganized the split pane layout to put more weight on the document and error list.