fix edina/fieldtrip-gb#40 show records after track is saved
fix edina/fieldtrip-gb#62 show records after track is saved
Merge branch 'ftgb-1.4' of github.com:edina/fieldtrip-gps-tracking into ftgb-1.4
Remove the interval options
Set the default interval as 0
Issue edina/fieldtrip-gb#37
fix merge conflict