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
*            the output stream to which the design is written.
	 * @throws IOException
	 *             if the file cannot be written to the output stream
	 *             successfully.
	 */
	public void serialize( OutputStream out ) throws IOException
	{
		assert out != null;
		module.prepareToSave( );
		module.getWriter( ).write( out );
		module.onSave( );
	}
	/**
	 * Sets the name of the author of the design report.
	 * 
	 * @param author
	 *            the name of the author.
	 */
	public void setAuthor( String author )
	{
		try
		{
			setStringProperty( AUTHOR_PROP, author );
		}
		catch ( SemanticException e )
		{
			assert false;
		}
	}
	/**