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
private static String searchForExternalizedValue( DesignElement element,
			String propIDName )
	{
		while ( element != null )
		{
			Module root = element.getRoot( );
			String textKey = (String) element.getLocalProperty( root,
					propIDName );
			if ( !StringUtil.isBlank( textKey ) )
			{
				String externalizedText = root.getMessage( textKey );
				return externalizedText;
			}
			element = element.getExtendsElement( );
		}
		return null;
	}
	/**
	 * Returns externalized value.
	 * 
	 * @param element
	 *            Design element.
	 * @param propIDName
	 *            ID of property
	 * @param propName
	 *            Name of property
	 * @return externalized value.
	 */
	public static String getExternalizedValue( DesignElement element,
			String propIDName, String propName )