Work on new module expense report

htdocs/core/class/commonobject.class.php

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

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

htdocs/core/class/html.formprojet.class.php

htdocs/core/modules/expensereport/modules_expensereport.php

htdocs/core/tpl/document_actions_post_headers.tpl.php

htdocs/expensereport/card.php

htdocs/expensereport/class/expensereport.class.php

htdocs/expensereport/document.php

htdocs/install/mysql/tables/llx_expensereport.sql

htdocs/install/mysql/tables/llx_expensereport_det.sql

htdocs/langs/en_US/suppliers.lang

htdocs/langs/en_US/trips.lang

htdocs/langs/fr_FR/expensereport.lang

htdocs/projet/card.php

htdocs/projet/class/project.class.php

htdocs/theme/eldy/style.css.php