Merge branch 'master' into 'master'

interface/lib/plugins/sites_web_domain_plugin.inc.php

...ce/lib/plugins/sites_web_vhost_aliasdomain_plugin.inc.php

interface/lib/plugins/sites_web_vhost_domain_plugin.inc.php

...face/lib/plugins/sites_web_vhost_subdomain_plugin.inc.php

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

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

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

...face/web/sites/lib/lang/ar_web_vhost_aliasdomain_list.lng

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

...ace/web/sites/lib/lang/ar_web_vhost_domain_admin_list.lng

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

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

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

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

...face/web/sites/lib/lang/bg_web_vhost_aliasdomain_list.lng

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

...ace/web/sites/lib/lang/bg_web_vhost_domain_admin_list.lng

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

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

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