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/elements/DesignChoiceConstants.java
public static final String DATETIEM_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 
	public static final String DATETIEM_FORMAT_TYPE_GENERAL_DATE = "General Date"; 
	public static final String DATETIEM_FORMAT_TYPE_LONG_DATE = "Long Date"; 
	public static final String DATETIEM_FORMAT_TYPE_MUDIUM_DATE = "Medium Date"; 
	public static final String DATETIEM_FORMAT_TYPE_SHORT_DATE = "Short Date"; 
	public static final String DATETIEM_FORMAT_TYPE_LONG_TIME = "Long Time"; 
	public static final String DATETIEM_FORMAT_TYPE_MEDIUM_TIME = "Medium Time"; 
	public static final String DATETIEM_FORMAT_TYPE_SHORT_TIME = "Short Time"; 
	public static final String DATETIEM_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * dateFormat choice.
	 */
	public static final String CHOICE_DATE_FORMAT_TYPE = "dateFormat"; 
	public static final String DATE_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 
	public static final String DATE_FORMAT_TYPE_GENERAL_DATE = "General Date"; 
	public static final String DATE_FORMAT_TYPE_LONG_DATE = "Long Date"; 
	public static final String DATE_FORMAT_TYPE_MUDIUM_DATE = "Medium Date"; 
	public static final String DATE_FORMAT_TYPE_SHORT_DATE = "Short Date"; 
	public static final String DATE_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * timeFormat choice
	 */
	public static final String CHOICE_TIME_FORMAT_TYPE = "timeFormat"; 
	public static final String TIME_FORMAT_TYPE_LONG_TIME = "Long Time"; 
	public static final String TIME_FORMAT_TYPE_MEDIUM_TIME = "Medium Time"; 
	public static final String TIME_FORMAT_TYPE_SHORT_TIME = "Short Time"; 
	public static final String TIME_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * stringFormat -- the string format The first constant is the name of
	 * stringFormat choice. The followed constants are valid choice values of