2 - add "Look and Feel" menu that allow 2 different styles. Style "kid" has no MenuBar, has a kid background pic and a toolbar.
3 Style "grown-up" has a different background, a menuBar and a toolbar.
4 Buttons appear consequently in the 2 styles to allow menuBar and other style.
7 - better internationalization
8 - i18n() the KLettres on the splash-screen
9 - suppress the sound with the splash-screen as it was too long
10 - add menubar, toolbar and statusbar, configurable using KAction
11 - settings allow to choose the language and the level from the menuBar and toolBar
12 - statusBar indicates level and language
13 - suppressed the .ui file
14 - fixed the bug in levels 3 & 4 (prevented upper-case letters and got it wrong in those 2 levels)
18 - setup dialog for language
19 - if file or sound not found: warning
21 - changed sounds from wav to mp3