Bug 201368 Support "Not In" operator in filter list
Description: After we support "IN" filter we should also support the "Not In" filter. Data part has already support the "Not In" filter, so hope model can support that operator in the filter operator list. Regards!
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/ModuleUtil.java
public static String getExternalizedValue( DesignElementHandle element,
			String key, String value, ULocale locale )
	{
		if ( element == null )
			return value;
		DesignElement tmpElement = element.getElement( );
		while ( tmpElement != null )
		{
			Module root = tmpElement.getRoot( );
			if ( root == null )
				break;
			String externalizedText = root.getMessage( key, locale );
			if ( externalizedText != null )
				return externalizedText;
			if ( !tmpElement.isVirtualElement( ) )
				tmpElement = tmpElement.getExtendsElement( );
			else
				tmpElement = tmpElement.getVirtualParent( );
		}
		return value;
	}
	/**
	 * This API is only for helping GUI to draw the dimension joint condition
	 * editor pad. When user extends an library cube to design, the hierarchy
	 * handle from the joint condition should be same with the virtual hierarchy
	 * in the reprot design cube.
	 * 
	 * @param conditionHierarchy
	 *            the hierarchy handle from the dimension joint condition
	 *            structure.