Update the KDE-edu tour to the current KDE 4.6 (if possible)

http://edu.kde.org/tour_kde4.0/

Must include all kde-edu programs with new screenshots, and new descriptions.

You can find the files of the current tour at http://websvn.kde.org/trunk/www/sites/edu/tour_kde4.0/ and check them out using SVN with "svn co svn://anonsvn.kde.org/home/kde/trunk/www/sites/edu/tour_kde4.0/"