Merged revisions 2916-2941 from stable branch.

install/install.php

install/sql/ispconfig3.sql

install/tpl/apache_apps.vhost.master

install/tpl/apache_ispconfig.vhost.master

install/tpl/apps_php_fpm_pool.conf.master

install/tpl/config.inc.php.master

install/tpl/nginx_apps.vhost.master

install/tpl/nginx_ispconfig.vhost.master

install/tpl/php_fpm_pool.conf.master

interface/lib/classes/listform.inc.php

interface/web/admin/templates/language_edit.htm

interface/web/admin/templates/server_config_web_edit.htm

interface/web/dns/list/dns_soa.list.php

interface/web/dns/templates/dns_soa_list.htm

interface/web/mail/mail_alias_edit.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

interface/web/sites/templates/web_domain_edit.htm

interface/web/sites/web_domain_edit.php