Add comment to allow generating RFC 3339-compliant datetime values. Closes #86

Author: szarnyasg

params.ini

@@ -3,3 +3,6 @@ ldbc.snb.datagen.generator.scaleFactor:snb.interactive.1
 ldbc.snb.datagen.serializer.personSerializer:ldbc.snb.datagen.serializer.snb.interactive.CSVPersonSerializer
 ldbc.snb.datagen.serializer.invariantSerializer:ldbc.snb.datagen.serializer.snb.interactive.CSVInvariantSerializer
 ldbc.snb.datagen.serializer.personActivitySerializer:ldbc.snb.datagen.serializer.snb.interactive.CSVPersonActivitySerializer
+
+# To generate RFC 3339-compliant timestamps (https://tools.ietf.org/html/rfc3339), uncomment the following line:
+#ldbc.snb.datagen.serializer.formatter.StringDateFormatter.dateTimeFormat:yyyy-MM-dd'T'HH:mm:ss.SSS+00:00