- nginx: changed /awstats-icon location from "location /awstats-icon" to "location ^~ /awstats-icon" so that it isn't affected by any "location ~*  \.(jpg|jpeg|png|gif|css|js|ico)$" directive.

- nginx: added client_max_body_size 20M; to ISPConfig and apps vhost to allow big uploads; added fastcgi_read_timeout 240; to phpMyAdmin configuration in aapps vhost to allow for longer backend operations (such as importing an SQL dump with lots of InnoDB queries).

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- nginx: Changed fastcgi_param SCRIPT_FILENAME lines in apps.vhost so that phpMyAdmin and SquirrelMail work also with cgi.fix_pathinfo=0.

- 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.