bugfixes:
  - na_ontap_vserver_peer - Fixed AttributeError if ``dest_hostname`` or ``peer_options`` not present.
  - na_ontap_vserver_peer - Fixed ``local_name_for_peer`` and ``local_name_for_source`` options silently ignored in REST.
  - na_ontap_vserver_peer - Added cluster peer accept code in REST.
  - na_ontap_vserver_peer - Get peer cluster name if remote peer exist else use local cluster name.