Add note deprecating MarshalByRefObject use in new code
Add note deprecating MarshalByRefObject use in new code

arfbtwn/dbus-sharp,openmedicus/dbus-sharp,Tragetaschen/dbus-sharp,mono/dbus-sharp,mono/dbus-sharp,Tragetaschen/dbus-sharp,arfbtwn/dbus-sharp,openmedicus/dbus-sharp