mod_cloud_notify: Rename field in event for clarity ('node' is ambiguous here) ...because the push protocol is based on XEP-0060, and the 'node' can mean the identifier communicated to the push service.

-- this module is deprecated, log an error and load the superseding module instead
module:depends"smacks"

module:log("error", "mod_smacks_offline is deprecated! Just use mod_smacks!");