Add option "set_folder_permissions_on_update" in server config to configure if folder permissions should be forced on web update.

- Set error reporting level in app inc.

Fixed: FS#1915 - The first argument to copy() function cannot be a directory in cron_daily.php on line 232

- 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

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- Fixed a problem with german umlauts in monitor.
- Added code to update.php and autoupdate.php that checks the mysql root password before the update starts.
- Fixed: FS#1848 - changing password of ssh user >>> rights in webXX are changed

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

- Fixed a warning in apache plugin.

- Fixed bug in nginx plugin: folder protection got written to vhost even if no folder protection was configured.

- Replaced SSH-RSA input field with textarea so that you can put in multiple SSH-RSA keys.