artichow was used only for captcha generation so i replaced with

htdocs/core/antispamimage.php

htdocs/core/tpl/login.tpl.php

htdocs/core/tpl/passwordforgotten.tpl.php

htdocs/filefunc.inc.php

htdocs/includes/artichow/Artichow.cfg.php

htdocs/includes/artichow/BarPlot.class.php

htdocs/includes/artichow/Graph.class.php

htdocs/includes/artichow/Image.class.php

htdocs/includes/artichow/LinePlot.class.php

htdocs/includes/artichow/Pie.class.php

htdocs/includes/artichow/README

htdocs/includes/artichow/php5/AntiSpam.class.php

htdocs/includes/artichow/php5/BarPlot.class.php

htdocs/includes/artichow/php5/Component.class.php

htdocs/includes/artichow/php5/Graph.class.php

htdocs/includes/artichow/php5/Image.class.php

htdocs/includes/artichow/php5/LinePlot.class.php

htdocs/includes/artichow/php5/MathPlot.class.php

htdocs/includes/artichow/php5/Pattern.class.php

htdocs/includes/artichow/php5/Pie.class.php