Impoved the software update function to enable the installation of apps like phpmyadmin into the apps vhost.

- Fixed a problem with the automatic creation of maildir subfolders.

- added installation instructions for opensuse 11.2 with bind and dovecot
- fixed a bug in bind plugin.
- improved opensuse installer.

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Fixed general utf8 encoding problems when data is passed from frontend to server, this fixes also bug FS#1065 - Special characters in autoresponder subject may break the autoresponder 

Fixed: FS#1047 - php scripts with suexec do not work togetherv with redirects (proposed solution included)

Added a global default for the .htaccess allow_override setting.

Temporarily disabled the automatic activation of the bind-dlz plugin until a routine is integrated in the installer to detect if bind has dlz compiled in or the normal file based plugin has to be used.

Added Support for Sieve mail filtering language on dovecot servers.