* Ok, Tsoots of Scribus fame convinced me that SAX is better than DOM for my usecase...

* Ok, Tsoots of Scribus fame convinced me that SAX is better than DOM for my usecase. He wrote the based code, I ported to read Qt-code.
* This commit removea the QDom-implementation
* Four datasets (number, mass, name and symbol) are now working
CCMAIL:kalzium@kde.org

svn path=/trunk/KDE/kdeedu/libkdeedu/; revision=471100