Fixed: FS#1896 - Bug in mailfilter file when maildrop tries to create the mailsize file of non existing accounts

- 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

- Fixed php notices in dashboard.

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

- Added some default values for nginx in the web_domain_update function of the remote api.
- Fixed a php warning in the updater.

- Merged language files.