Merged revisions 3845-3876 and 3879-3918 from stable branch.

install/dist/lib/fedora.lib.php

install/dist/lib/gentoo.lib.php

install/dist/lib/opensuse.lib.php

install/lib/installer_base.lib.php

install/sql/incremental/upd_0035.sql

install/sql/ispconfig3.sql

install/tpl/apache_ispconfig.conf.master

install/tpl/apache_ispconfig.vhost.master

install/tpl/config.inc.php.master

install/tpl/nginx_apps.vhost.master

install/tpl/nginx_ispconfig.vhost.master

install/update.php

interface/lib/classes/aps_guicontroller.inc.php

interface/lib/classes/db_mysql.inc.php

interface/lib/classes/listform_actions.inc.php

interface/lib/classes/remoting_lib.inc.php

interface/lib/classes/tools_monitor.inc.php

interface/lib/classes/validate_domain.inc.php

interface/lib/lang/cz.lng

interface/lib/lang/pl.lng