Add picto for commercial pages titles

htdocs/comm/index.php

htdocs/comm/list.php

htdocs/comm/propal/list.php

htdocs/comm/propal/stats/index.php

htdocs/comm/prospect/list.php

htdocs/commande/card.php

htdocs/commande/list.php

htdocs/commande/stats/index.php

htdocs/contact/card.php

htdocs/contact/list.php

htdocs/contrat/card.php

htdocs/contrat/index.php

htdocs/contrat/list.php

htdocs/contrat/services.php

htdocs/fichinter/list.php

htdocs/product/card.php

htdocs/product/index.php

htdocs/product/list.php

htdocs/product/popuprop.php

htdocs/societe/index.php