Fix Debug and minor fixes

htdocs/categories/viewcat.php

htdocs/core/ajax/selectsearchbox.php

htdocs/core/menus/standard/eldy.lib.php

htdocs/holiday/list.php

htdocs/langs/en_US/holiday.lang

htdocs/langs/en_US/main.lang

htdocs/product/stats/card.php

htdocs/projet/contact.php

htdocs/projet/element.php

htdocs/projet/ganttview.php

htdocs/projet/note.php

htdocs/projet/tasks.php