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 COLUMN_ALIGN_RIGHT = "right"; 
	/**
	 * queryFrom -- Where the query is from The first constant is the name of
	 * queryFrom choice. The followed constants are valid choice values of
	 * queryFrom.
	 */
	public static final String CHOICE_QUERY_CHOICE_TYPE = "queryChoiceType"; 
	public static final String QUERY_CHOICE_TYPE_NONE = "none"; 
	public static final String QUERY_CHOICE_TYPE_TEXT = "text"; 
	public static final String QUERY_CHOICE_TYPE_SCRIPT = "script"; 
	/**
	 * numberFormat -- the number format The first constant is the name of
	 * numberFormat choice. The followed constants are valid choice values of
	 * numberFormat.
	 */
	public static final String CHOICE_NUMBER_FORMAT_TYPE = "numberFormat"; 
	public static final String NUMBER_FORMAT_TYPE_UNFORMATTED = "Unformatted"; 	
	public static final String NUMBER_FORMAT_TYPE_GENERAL_NUMBER = "General Number"; 
	public static final String NUMBER_FORMAT_TYPE_CURRENCY = "Currency"; 
	public static final String NUMBER_FORMAT_TYPE_FIXED = "Fixed"; 
	public static final String NUMBER_FORMAT_TYPE_PERCENT = "Percent"; 
	public static final String NUMBER_FORMAT_TYPE_SCIENTIFIC = "Scientific"; 
	public static final String NUMBER_FORMAT_TYPE_STANDARD = "Standard"; 
	public static final String NUMBER_FORMAT_TYPE_CUSTOM = "Custom"; 
	/**
	 * dateTimeFormat -- the date/time format The first constant is the name of
	 * dateTimeFormat choice. The followed constants are valid choice values of
	 * dateTimeFormat.
	 */
	public static final String CHOICE_DATETIME_FORMAT_TYPE = "dateTimeFormat";