Fixed: FS#1332 - Punycoded russian domain names in ISPConfig 3

interface/lib/classes/tform.inc.php

interface/web/dns/dns_wizard.php

interface/web/dns/form/dns_soa.tform.php

interface/web/domain/form/domain.tform.php

interface/web/mail/form/mail_aliasdomain.tform.php

interface/web/mail/form/mail_domain.tform.php

interface/web/mail/form/mail_domain_catchall.tform.php

interface/web/mail/form/mail_get.tform.php

interface/web/mail/form/mail_user.tform.php

interface/web/sites/form/web_aliasdomain.tform.php

interface/web/sites/form/web_domain.tform.php

interface/web/sites/form/web_subdomain.tform.php