add web_domain fields for jailkit management

install/sql/incremental/upd_dev_collection.sql

install/sql/ispconfig3.sql

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

interface/web/sites/lib/lang/ar_web_vhost_domain.lng

interface/web/sites/lib/lang/bg_web_vhost_domain.lng

interface/web/sites/lib/lang/br_web_vhost_domain.lng

interface/web/sites/lib/lang/ca_web_vhost_domain.lng

interface/web/sites/lib/lang/cz_web_vhost_domain.lng

interface/web/sites/lib/lang/de_web_vhost_domain.lng

interface/web/sites/lib/lang/dk_web_vhost_domain.lng

interface/web/sites/lib/lang/el_web_vhost_domain.lng

interface/web/sites/lib/lang/en_web_vhost_domain.lng

interface/web/sites/lib/lang/es_web_vhost_domain.lng

interface/web/sites/lib/lang/fi_web_vhost_domain.lng

interface/web/sites/lib/lang/fr_web_vhost_domain.lng

interface/web/sites/lib/lang/hr_web_vhost_domain.lng

interface/web/sites/lib/lang/hu_web_vhost_domain.lng

interface/web/sites/lib/lang/id_web_vhost_domain.lng

interface/web/sites/lib/lang/it_web_vhost_domain.lng

interface/web/sites/lib/lang/ja_web_vhost_domain.lng