Merge pull request #400 from dokuwiki-translate/lang_update_418

inc/lang/nl/lang.php

inc/lang/nl/mailtext.txt

inc/lang/nl/read.txt

inc/lang/nl/resendpwd.txt

inc/lang/nl/subscr_form.txt

inc/lang/nl/subscr_list.txt

lib/plugins/acl/lang/nl/lang.php

lib/plugins/authad/lang/nl/settings.php

lib/plugins/authldap/lang/nl/settings.php

lib/plugins/authmysql/lang/nl/settings.php

lib/plugins/authpgsql/lang/nl/settings.php

lib/plugins/plugin/lang/nl/lang.php

lib/plugins/popularity/lang/nl/lang.php

lib/plugins/revert/lang/nl/lang.php

lib/plugins/usermanager/lang/nl/import.txt