- Added UFW firewall support.

- replaced "exec('/etc/init.d/" calls with "exec($conf['init_scripts'] . '/' ."
- fixed output wording (typos and more...)

- Improved installer and updater for multiserver mode. Modules and plugins were only configured if the selected service is available on the server.

Added force to rc update script for the bastille firewall when the firewall is deactivated or removed.

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