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/parser/IncludedCssStyleSheetListState.java
{
		IncludedCssStructureState( ModuleParserHandler theHandler,
				DesignElement element, PropertyDefn propDefn )
		{
			super( theHandler, element, propDefn );
			lineNumber = handler.getCurrentLineNo( );
		}
		/*
		 * (non-Javadoc)
		 * 
		 * @see org.eclipse.birt.report.model.util.AbstractParseState#end()
		 */
		public void end( ) throws SAXException
		{
			super.end( );
			IncludedCssStyleSheet includeCss = (IncludedCssStyleSheet) struct;
			if ( handler.markLineNumber )
				handler.module.addLineNo( struct, new Integer( lineNumber ) );
			String fileName = includeCss.getFileName( );
			if ( !( element instanceof ICssStyleSheetOperation ) )
				return;
			URL url = handler.module.findResource( fileName,
					IResourceLocator.CASCADING_STYLE_SHEET );
			if ( url == null )
			{
				CssException ex = new CssException( handler.module,
						new String[]{fileName},
						CssException.DESIGN_EXCEPTION_CSS_NOT_FOUND );
				handler.getErrorHandler( ).semanticWarning( ex );