images: Add toolbar button Image
NotePad: Add toolbar
NotePad: Add anotation
NotePad: Add TextArea, StatusBar
NotePad: Update anotation
NotePad: Add EventHandler
NotePad: Add seperator in editmenu
NotePad: newDocument()
NotePad: openDocument(), openFile(File file)
NotePad: saveDocument(boolean isSaved), saveAsDocument(), saveFile(File
file)