Extracted converter from xmlpump
The converter class is now in its own file. This is because converter itself
had nothing todo with XML and is now also used for JSON in Edurep.
meresco-components
2012-01-31
https://meresco.svn.sourceforge.net/svnroot/meresco/meresco-components/workingsets/3.4.28.1-Edurep/version_1