Send heart rate only if data is not too old (5s)
Send heart rate only if data is not too old (5s)

team-mount-ventoux/PebbleVentoo-AndroidApp,pebble-bike/PebbleBike-AndroidApp,jay3/Ventoo-AndroidApp,ventoo-bike/Ventoo-AndroidApp,pebble-bike/PebbleBike-AndroidApp,jay3/Ventoo-AndroidApp,ventoo-bike/Ventoo-AndroidApp,team-mount-ventoux/PebbleVentoo-AndroidApp