- ported some patches

install/tpl/server.ini.master

interface/web/admin/form/server_config.tform.php

interface/web/sites/web_sites_stats.php

interface/web/sites/web_vhost_domain_edit.php

interface/web/themes/default/assets/javascripts/ispconfig.js

interface/web/themes/default/templates/error.tpl.htm

interface/web/themes/default/templates/tabbed_form.tpl.htm

server/lib/classes/cron.d/100-mailbox_stats.inc.php