Ajout d'un module agenda et de permissions sur les actions

htdocs/comm/action/fiche.php

htdocs/comm/fiche.php

htdocs/comm/propal.php

htdocs/comm/prospect/fiche.php

htdocs/comm/prospect/index.php

htdocs/commande/fiche.php

htdocs/compta/facture.php

htdocs/compta/fiche.php

htdocs/compta/propal.php

htdocs/conf/conf.class.php

htdocs/contact/index.php

htdocs/fourn/fiche.php

htdocs/includes/boxes/box_actions.php

htdocs/includes/menus/barre_left/eldy_backoffice.php

htdocs/includes/menus/barre_left/eldy_frontoffice.php

htdocs/includes/menus/barre_top/eldy_backoffice.php

htdocs/includes/menus/barre_top/eldy_frontoffice.php

htdocs/includes/modules/modAgenda.class.php

htdocs/user.class.php

htdocs/user/perms.php