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/ModuleUtil.java
* @param propName
	 *            the property name which is name property type of this design
	 *            element.
	 * @param nameValue
	 *            the value of the name property.
	 * 
	 * @return true if the value of the name property is valid, false if it is
	 *         not valid.
	 */
	public static boolean isValidElementName(
			DesignElementHandle elementHandle, String propName, String nameValue )
	{
		ModuleHandle module = elementHandle.getModuleHandle( );
		PropertyDefn propDefn = (PropertyDefn) elementHandle.getPropertyDefn( propName );
		if ( propDefn == null )
			return false;
		PropertyType propType = propDefn.getType( );
		if ( propType.getTypeCode( ) != PropertyType.NAME_TYPE )
			return false;
		ElementDefn metaData = (ElementDefn) elementHandle.getDefn( );
		if ( ( nameValue == null ) || StringUtil.isEmpty( nameValue ) )
		{
			if ( metaData.getNameOption( ) == MetaDataConstants.REQUIRED_NAME )
				return false;
		}
		try
		{
			propType.validateValue( module.getModule( ), propDefn, nameValue );
			DesignElement existedElement = new NameExecutor( elementHandle.getElement( ) ).getNameSpace( elementHandle.module )
					.getElement( nameValue );