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
.getDisplayName( ) );
			keysMap.put( propDefn, key );
		}
		Collections.sort( propDefns, new Comparator( ) {
			public int compare( Object o1, Object o2 )
			{
				PropertyDefn p1 = (PropertyDefn) o1;
				PropertyDefn p2 = (PropertyDefn) o2;
				CollationKey key1 = (CollationKey) keysMap.get( p1 );
				CollationKey key2 = (CollationKey) keysMap.get( p2 );
				
				
				
				return key1.compareTo( key2 );
			}
		} );
		return propDefns;
	}
	/**
	 * Sorts a list of element by their internal names.
	 * 
	 * @param elements
	 *            a list of <code>DesignElementHandle</code>
	 * @return a sorted list of element.
	 */
	public static List sortElementsByName( List elements )
	{
		List temp = new ArrayList( elements );
		Collections.sort( temp, new Comparator( ) {
			public int compare( Object o1, Object o2 )