Add time stamps to log entries and use text payload (#535)
Add time stamps to log entries and use text payload (#535)

* Access text payload and remove extra newline

* Pretty Print Timestamps

* Timestamp excludes the date

* Zero pads single digit

* No concat but write to file buffer

* handle err from closing file


Former-commit-id: 7f3fd71c3d7e7f1e3d87234892ccca16afcb81c8
smawson/istio,istio/istio,geeknoid/istio,istio/istio,istio/istio,frankbu/istio,geeknoid/istio,sebastienvas/istio,smawson/istio,istio/istio,sebastienvas/istio,sebastienvas/istio,frankbu/istio,smawson/istio,mandarjog/istio,mandarjog/istio,smawson/istio,frankbu/istio,geeknoid/istio,sebastienvas/istio,mandarjog/istio,smawson/istio,frankbu/istio,frankbu/istio,geeknoid/istio,smawson/istio,frankbu/istio,geeknoid/istio,sebastienvas/istio,istio/istio,geeknoid/istio,mandarjog/istio,mandarjog/istio