Fixed: FS#2378 - $conf['theme'] value in interface/lib/config.inc.php is overwritten (reset to 'default') on update

- Removed ufw configuration from installer to avoid "PHP Notice:  Undefined index: ufw in /tmp/trunk/install/install.php on line 251".
- Changed phpMyAdmin location in ISPConfig nginx vhost to allow phpmyadmin and phpmyadmin/ (with and without trailing slash).

Added http or https question to normal install (different question, so "newbies" will understand it also.

http://bugtracker.ispconfig.org/index.php?do=details&task_id=221

- Added UFW firewall support.

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

Added Support for Sieve mail filtering language on dovecot servers.

Implemented: FS#973 - Gentoo support for installer. Fixed FS#974 - Directory mode for firewall configuration

Check if the mysql_connect function exists in the installer.

Added a missing language string in server config form.

Added: interface module web traffic statistics
Fixed: mail_traffic is now reported to master server instead of local
Fixed: GRANTs for slave server database user on master database

- checking for running instance in server.php

sh: /etc/init.d/apache2: No such file or directory

Fixed a bug that prevented the restarting of services when the install is finished.