Using these variables in welcome email from admin, when mailbox is created.

Implemented: FS#1325 - Option to create remoting user automatically during package installation from repository
Implemented: VAT-ID and customer No. fields for client and reseller.

Fixed: FS#1275 - Port 8081 (apps vhost) should be included in the default open TCP ports in the firewall 

Added the configuration variable $conf['demo_mode'] in the config.inc.php file. It disables the newly introduced demo mode which limits certain actions in the interface part of ispconfig: the demo mode can be used to run the ispconfig interface part as online demo.

Removing white space in the remote_user.tform.php file while calling the client_template_get_by_user function. Reported by ispcomm

Implemented: FS#1252 - Add permission system based on user / password to app installer 

- I had to reorder the variables in language_list.htm for the link URL's
- Moved the lang_file var to the beginning of the URL to make it work.
- For some strange reason if you have &lang_file in the url it changes it to <_file.

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