Added Support for Sieve mail filtering language on dovecot servers.

- as apache 2.2.14 the ssl directory moved to /etc/ssl/apache2 from /etc/apache2/ssl

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

Fixed: Missing server.ini config entries for vlogger and jailkit
Added: Admin interface server_config for vlogger and cron

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

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

Included jailkit config templates
Added bash.bashrc and motd templates to copy over for for chroot system
Updated ispconfig vhost to include php fastcgi configs if fastcgi is enabled. What if the module is loaded too ?
TODO: jailkit chroot is still not loading the modified motd in /etc/motd and /var/run/motd ??