Fixed: FS#1220 - /var/vmail/(domain)/(user) directories and files not delete when mail_user is deleted via remote.

Added a function to retrieve the client_id for a given sysuser_id to the remotting API: client_get_id($session_id,$sys_userid);

- Added missing remoting functions

Added SOAP support for mail module. Many thanks to Arkadiusz Roch & Artur Edelman from Tri-Plex technology

Added a demo client to test the remoting framework.