FEAT #202 fusion M2M sendmail

modules/sendmail/batch/load_process_emails.php

modules/sendmail/batch/process_emails.php

modules/sendmail/class/class_modules_tools_Abstract.php

modules/sendmail/js/functions.js

modules/sendmail/lang/en.php

modules/sendmail/lang/fr.php

modules/sendmail/mail_form.php

modules/sendmail/sendmail.php

modules/sendmail/sendmail_ajax_content.php

modules/sendmail/xml/IVS/validation_rules.xml

modules/sendmail/xml/menu.xml

modules/sendmail/xml/services.xml