Minor changes before 0.40.2 release

- Update package-lock.json with version 0.40.2
- Change tooltip on Age row to "Elapsed time since received"

Author: RocketManRC

index.js

@@ -410,7 +410,7 @@ var formatTitle = function(cell, formatterParams, onRendered){
 const ttCS = "Call sign of contact";
 const ttOFS = "Offset of contact's signal in Hz";
 const ttTD = "Time delta of signal from UTC second in milliseconds";
-const ttUTC = "UTC timestamp in seconds";
+const ttUTC = "Elapsed time since received";
 const ttRNG = "RaNGe to contact in Miles or Km according to settings";
 const ttBRG = "Bearing to contact in degrees";
 const ttSNR = "Signal to noise ratio of contact's signal";