Work on look and feel v6

htdocs/adherents/class/adherent.class.php

htdocs/adherents/list.php

htdocs/categories/photos.php

htdocs/categories/traduction.php

htdocs/categories/viewcat.php

htdocs/compta/bank/ligne.php

htdocs/core/class/commonobject.class.php

htdocs/core/class/html.form.class.php

htdocs/core/class/html.formfile.class.php

htdocs/core/lib/functions.lib.php

htdocs/core/tpl/contacts.tpl.php

htdocs/main.inc.php

htdocs/projet/card.php

htdocs/projet/class/task.class.php

htdocs/projet/contact.php

htdocs/projet/element.php

htdocs/projet/ganttchart.inc.php

htdocs/projet/ganttview.php

htdocs/projet/tasks.php

htdocs/projet/tasks/contact.php