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.tests/test/org/eclipse/birt/report/model/library/LibraryParseTest.java
assertEquals( "image/gif", image.getType( libraryHandle.getModule( ) ) ); 
		assertEquals( "/9j/4AAQSkZJRgA", 
				new String( Base64.encodeBase64( image.getData( libraryHandle
						.getModule( ) ) ) ).substring( 0, 15 ) );
		image = (EmbeddedImage) images.get( 2 );
		assertEquals( "image3", image.getName( ) ); 
		assertEquals( "image/bmp", image.getType( libraryHandle.getModule( ) ) ); 
		assertEquals( "AAAA", 
				new String( Base64.encodeBase64( image.getData( libraryHandle
						.getModule( ) ) ) ) );
		SlotHandle themes = libraryHandle.getThemes( );
		assertEquals( 3, themes.getCount( ) );
		ThemeHandle theme = (ThemeHandle) themes.get( 0 );
		assertEquals( 1, theme.getStyles( ).getCount( ) );
		theme = (ThemeHandle) themes.get( 1 );
		assertEquals( 2, theme.getStyles( ).getCount( ) );
		theme = libraryHandle.findTheme( "theme1" );
		IncludedCssStyleSheetHandle css = (IncludedCssStyleSheetHandle) theme
				.includeCssesIterator( ).next( );
		assertEquals( "base.css", css.getFileName( ) );
		List styles = theme.getAllStyles( );
		assertEquals( 6, styles.size( ) );
	}
	/**
	 * Tests writing the properties.
	 * 
	 * @throws Exception
	 *             if any error found.
	 */
	public void testWriter( ) throws Exception