Refer to the epoch timestamp from the actual log event, rather than
trusting the '@timestamp' field automatically created by Logstash. The
latter stamps the time of log ingestion, not the time of the event.
@ageis r? We can knock out the other dateification tasks (see #21) in this same branch and remerge later on. For now, this is a simple fix that cleans up the changes presented in #20.
Refer to the epoch timestamp from the actual log event, rather than trusting the '@timestamp' field automatically created by Logstash. The latter stamps the time of log ingestion, not the time of the event.