* Update the module configuration from the qti file: read min/max/cut values
* @param res
*/
public void updateModuleConfigFromQTIFile(OLATResource res) {
FileResourceManager frm = FileResourceManager.getInstance();
File unzippedRoot = frm.unzipFileResource(res);
//with VFS FIXME:pb:c: remove casts to LocalFileImpl and LocalFolderImpl if no longer needed.
VFSContainer vfsUnzippedRoot = new LocalFolderImpl(unzippedRoot);
VFSItem vfsQTI = vfsUnzippedRoot.resolve("qti.xml");
if (vfsQTI==null){
throw new AssertException("qti file did not exist even it should be guaranteed by repositor check-in "