Update Accounting Expert integration

htdocs/accountancy/admin/account.php

htdocs/accountancy/admin/card.php

htdocs/accountancy/admin/export.php

htdocs/accountancy/admin/importaccounts.php

htdocs/accountancy/admin/index.php

htdocs/accountancy/admin/journaux.php

htdocs/accountancy/admin/productaccount.php

htdocs/accountancy/admin/thirdpartyaccount.php

htdocs/accountancy/bookkeeping/balancebymonth.php

htdocs/accountancy/bookkeeping/card.php

htdocs/accountancy/bookkeeping/list.php

htdocs/accountancy/bookkeeping/listbyyear.php

htdocs/accountancy/class/accountancysystem.class.php

htdocs/accountancy/class/accountingaccount.class.php

htdocs/accountancy/class/bookkeeping.class.php

htdocs/accountancy/class/html.formventilation.class.php

htdocs/accountancy/customer/card.php

htdocs/accountancy/customer/index.php

htdocs/accountancy/customer/lines.php

htdocs/accountancy/customer/list.php