code: function send (command, body) {
    debug('send command "' + command + '" with body ' + body)
    this._xmppClient.send(buildCommandIqStanza(command, body))
    return Q()
  }
docs: Sends a command with given body to the hub. The returned promise gets immediately resolved since this function does
  not expect any specific response from the hub.
  
  @param command
  @param body
  @returns {Q.Promise}