Merge branch 'master' of http://git.ispconfig.org/ispconfig/ispconfig3

install/dist/lib/fedora.lib.php

install/sql/incremental/upd_0066.sql

install/sql/ispconfig3.sql

install/tpl/fedora_postfix.conf.master

interface/lib/app.inc.php

interface/web/admin/lib/remote.conf.php

interface/web/admin/system_config_edit.php

interface/web/tools/lib/lang/en_resync.lng

interface/web/tools/resync.php

interface/web/tools/templates/resync.htm

server/plugins-available/apache2_plugin.inc.php

server/plugins-available/nginx_plugin.inc.php