Merge pull request #4944 from FHenry/develop_advtargetemailiing

htdocs/admin/dict.php

htdocs/comm/mailing/advtargetemailing.php

htdocs/comm/mailing/class/advtargetemailing.class.php

...s/comm/mailing/class/html.formadvtargetemailing.class.php

htdocs/core/class/commonobject.class.php

htdocs/core/class/extrafields.class.php

htdocs/core/class/html.formaccounting.class.php

htdocs/core/lib/emailing.lib.php

htdocs/core/modules/mailings/advthirdparties.modules.php

htdocs/core/modules/mailings/modules_mailings.php

htdocs/core/tpl/admin_extrafields_add.tpl.php

htdocs/core/tpl/admin_extrafields_edit.tpl.php

htdocs/core/tpl/admin_extrafields_view.tpl.php

htdocs/includes/multiselect/MIT-LICENSE.txt

htdocs/includes/multiselect/css/ui.multiselect.css

htdocs/includes/multiselect/js/ui.multiselect.js

htdocs/install/mysql/tables/llx_advtargetemailing.key.sql

htdocs/install/mysql/tables/llx_advtargetemailing.sql

htdocs/langs/en_US/mails.lang

htdocs/websites/class/websitepage.class.php