Bug 145724 Change version after auto convert
By the request of 136536, user get warning message to confirm the auto convert. If user select yes, the file convert to newest format, but the version is still old. If user open this file again, he'll get the warning message even the file converted.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
import org.eclipse.birt.report.model.core.Module;
import org.eclipse.birt.report.model.core.NameSpace;
import org.eclipse.birt.report.model.core.Structure;
import org.eclipse.birt.report.model.core.StyledElement;
import org.eclipse.birt.report.model.elements.GroupElement;
import org.eclipse.birt.report.model.elements.Library;
import org.eclipse.birt.report.model.elements.Theme;
import org.eclipse.birt.report.model.elements.interfaces.IExtendedItemModel;
import org.eclipse.birt.report.model.elements.interfaces.IOdaExtendableElementModel;
import org.eclipse.birt.report.model.elements.interfaces.IStyleModel;
import org.eclipse.birt.report.model.extension.IExtendableElement;
import org.eclipse.birt.report.model.i18n.ModelMessages;
import org.eclipse.birt.report.model.i18n.ThreadResources;
import org.eclipse.birt.report.model.metadata.ElementPropertyDefn;
import org.eclipse.birt.report.model.metadata.ElementRefValue;
import org.eclipse.birt.report.model.metadata.MetaDataDictionary;
import org.eclipse.birt.report.model.metadata.PropertyDefn;
import org.eclipse.birt.report.model.metadata.PropertyType;
import org.eclipse.birt.report.model.metadata.ReferenceValue;
import org.eclipse.birt.report.model.parser.DesignParserException;
import org.xml.sax.SAXException;
import com.ibm.icu.text.CollationKey;
import com.ibm.icu.text.Collator;
import com.ibm.icu.util.SimpleTimeZone;
import com.ibm.icu.util.ULocale;
/**
 * The utility class which provides many static methods used in Model.
 */
public class ModelUtil
{