Put vlogger log directives in separate apache config file so they are available for the websites even if the controlpanel is not installed on the server.

- Fixed bug were the interface is enabled after an update on a server were interface = no selected during install
- Fixed a replication problem and made replication more fault tolerant.

- Chnegd installer to allow access from the slave hostname and IP address to the master database.

- Updated the user and database prefixes to use this storage.

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

- Update server.ini during install
- Changed default vmail directory form /home/vmail to /var/vmail

Comment out the listen directive in the ispconfig.vhost file if the port for ispconfig is 80 or 443.

make sure the symlink with the old name "ispconfig.vhost" is removed before the new one with the name 000-ispconfig.vhost is created.

Fixed bugs in installer.
A backup file of the database is stored in /root during update.

Added new table monitor_data for the core-module monitor.

- Fixed a few bugs in suphp implementation.

- Updated Debian installation instructions.