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/api/ModuleHandle.java
/**
	 * Returns the structures which are defined locally in the current module.
	 * This method will collect all structures from the current module file
	 * locally.
	 * 
	 * @param propName
	 *            name of the list property
	 * @return the structure list, each of which is the instance of
	 *         <code>StructureHandle</code>
	 */
	List getNativeStructureList( String propName )
	{
		List list = new ArrayList( );
		PropertyHandle propHandle = getPropertyHandle( propName );
		assert propHandle != null;
		Iterator iter = propHandle.iterator( );
		while ( iter.hasNext( ) )
		{
			StructureHandle s = (StructureHandle) iter.next( );
			list.add( s );
		}
		return list;
	}
	/**
	 * Returns the iterator over all config variables. Each one is the instance
	 * of <code>ConfigVariableHandle</code>.
	 * <p>
	 * Note: The configure variable in library file will be hidden if the one
	 * with the same name appears in design file.
	 *