- Added an alias "/awstats-icon" for /usr/share/awstats/icon to the nginx vhost template so that images are displayed in the AWStats statistics on nginx.

- Select sieve template depending on dovecot version as doevceot 1.0 does not support the new date based autoresponders.
- Cleaned up opensuse dovecot-sql.conf file

Fixed: FS#1801 - german specialchars making trouble in logs

- Removed unused code in server.php
- Commented out FcgidMaxProcesses in vhost template 

- Merged language files.

Fixed: FS#1777 - AWStats: In months with two digits (10, 11, 12) order is broken => 1,10,11,12,2,3...9

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- Apps vhost: To access phpMyAdmin/SquirrelMail, the default user (like www-data on Debin/Ubuntu) must be used; fixes #1773.

- Installer adds Apache and nginx user to ispapps group.
- Installer makes sure that /var/www/apps has 755 permissions.

- Added PHP-FPM pm settings (pm.max_children, pm.start_servers, pm.min_spare_servers, pm.max_spare_servers) to the "Options" tab of a website.

- Changed FastCGI buffers for ISPConfig nginx vhost because otherwise you get "upstream sent too big header while reading response header from upstream" on OpenSUSE.
- Added 502 error page ("Bad Gateway").
- Added "fastcgi_intercept_errors on;" to nginx vhost template so that ISPConfig's error pages are displayed instead of the default nginx ones.

- Installer adds ispconfig user to Apache group on Fedora/CentOS so that nginx/PHP-FPM can access /etc/squirrelmail and serve SquirrelMail for the ISPConfig vhost.
- Added session.save_path and upload_tmp_dir settings to the PHP-FPM pool definitions.

- Added "ipv6only=on" to the IPv6 listen lines in the nginx vhost template to avoid "[emerg]: bind() to [::]:80 failed (98: Address already in use)" errors.

- Added SNI config field in sysetm > server config > web.

Implemented: FS#1113 - Force client to use only allowed IPs