Display additional info if a relay is offline.
Display additional info if a relay is offline.

If a relay is offline, write 'Last Known Properties' instead of merely
'Properties' and display an additional field called 'Last Seen'.  That should
cause less confusion.

RaphaelBergmann/atlas,irl/atlas,irl/atlas,RaphaelBergmann/atlas,KenanSulayman/atlas-rtx