Merge branch 'stable-3.1' into 'stable-3.1'

interface/web/admin/lib/lang/ja_server_config.lng

interface/web/admin/lib/lang/nl_server_config.lng

interface/web/admin/lib/lang/pl_server_config.lng

interface/web/admin/lib/lang/pt_server_config.lng

interface/web/admin/lib/lang/ro_server_config.lng

interface/web/admin/lib/lang/ru_server_config.lng

interface/web/admin/lib/lang/se_server_config.lng

interface/web/admin/lib/lang/sk_server_config.lng

interface/web/admin/lib/lang/tr_server_config.lng

interface/web/admin/list/server_php.list.php

interface/web/admin/templates/server_config_web_edit.htm

interface/web/admin/templates/server_php_list.htm

interface/web/client/lib/lang/de_client_template_list.lng

interface/web/client/lib/lang/en_client_template_list.lng

interface/web/client/list/client_template.list.php

interface/web/client/templates/client_template_list.htm

interface/web/sites/ajax_get_json.php

interface/web/sites/templates/web_vhost_domain_edit.htm

interface/web/sites/web_vhost_domain_edit.php