Added better error handling to vlogger script in case that the mysql database connection is not available.

Modified the update scripts to check if a download of the tar.gz has succeeded.

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

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Added chroot options to the shell user form
Added jailkit ini settings
Added ini settings for fastcgi
Fixed bug with web delete not removing parent web user unless that was intentional ?
Changed name of shell user plugin so plugin order calls this first
Started a change to the update script.

TODO: Fix problem with jailkit chroot users logging into parent web user's directory. Fixup bash command prompt to display the correct user somehow because they all share the same id. 

Fixup install / update script so the fastcgi script and directory is created for the ispconfig site on setup / update. Can't work out how to get to the templating system to generate the script from.