Add server timestamp on each log event form client
Add server timestamp on each log event form client


Former-commit-id: 06e771c2be3375b42e70a9bce31d935371041dda
Former-commit-id: 6d6568459b7363ea00fea606e222208b969f42c5
Former-commit-id: 5f2c7af13809acb8d9178a7a350d84e7eeec9992
ONSdigital/florence,ONSdigital/florence,ONSdigital/florence,ONSdigital/florence