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
writer.write( os, (Action) action.getStructure( ) );
		try
		{
			return os.toString( UnicodeUtil.SIGNATURE_UTF_8 );
		}
		catch ( UnsupportedEncodingException e )
		{
			assert false;
		}
		return os.toString( );
	}
	private static class SectionXMLWriter extends IndentableXMLWriter
	{
		/**
		 * 
		 * @param os
		 * @param signature
		 * @throws IOException
		 */
		public SectionXMLWriter( OutputStream os, String signature )
				throws IOException
		{
			super( );
			out = new PrintStream( os, false, OUTPUT_ENCODING );
		}
	}
	/**
	 * Write an action into a stream in UTF-8 encoding.
	 */
	private static class ActionWriter extends ModuleWriter