display only OLD when we have more than 59 mins
When data is read it saves datastamp and calculetes diference between actual time and data read time. Until one minute it counts age in seconds. After one minute it starts blink and counts age per minute. Tested with auriol_hg0601a.c protocol.
OFW PR 1898 by Skorpionm - Details will be in changelog
OFW PR 1833 by Skorpionm