Temporary fix for: FS#1311 - Only first PHPINIDir directive honored per configuration tree - subsequent ones ignored 

- Fixed a formatting problem with suphp.conf and newer suphp versions.

Merged revisions 1832-1836 from stable (added dovecot support for debian squeeze and added a new distid and class for debian6 specific modifications.

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.

Fixed a bug that prevented the modification of website settings of a site that the user created.

- Made jailkit programs configurable per linux distribution in the installer.

- Added deny directives to prevent direct access to the /var/www/clients and /var/www/domain.tld directories.

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