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
{
		openLibrary( fileName, ULocale.ENGLISH );
		libraryHandle.setProperty( Library.AUTHOR_PROP, "Report Author" ); 
		libraryHandle.setProperty( Library.HELP_GUIDE_PROP, "Help guide" ); 
		libraryHandle.setProperty( Library.CREATED_BY_PROP, "Report Creator" ); 
		libraryHandle.setProperty( Library.BASE_PROP, "c:\\base" ); 
		libraryHandle.setProperty( Library.UNITS_PROP, "cm" ); 
		libraryHandle.setProperty( Library.INCLUDE_RESOURCE_PROP,
				"new include resource" ); 
		libraryHandle.setProperty( Library.TITLE_ID_PROP, "New title id" ); 
		libraryHandle.setProperty( Library.TITLE_PROP, "New title" ); 
		libraryHandle.setProperty( Library.COMMENTS_PROP, "New comments" ); 
		libraryHandle.setProperty( Library.DESCRIPTION_ID_PROP,
				"New description id" ); 
		libraryHandle.setProperty( Library.DESCRIPTION_PROP, "New description" ); 
		saveLibrary( );
		assertTrue( compareFile( goldenFileName ) );
	}
	/**
	 * Test config variable.
	 * 
	 * @throws Exception
	 *             if any error found.
	 */
	public void testConfigVars( ) throws Exception
	{
		openLibrary( fileName, ULocale.ENGLISH );
		ConfigVariable configVar = new ConfigVariable( );
		configVar.setName( "VarToAdd" ); 
		configVar.setValue( "ValueToAdd" );