Fix commas and include headers in dumpmsginfo

plugins/dumpmsginfo/plugin.go

@@ -44,6 +44,8 @@ func configure(*node.Plugin) {
         log.Fatal(err)
     }
 
+    file.WriteString("timestamp,msg.ID,issues.ID,msg.IssuingTime(),messageMetadata.ReceivedTime(),messageMetadata.SolidificationTime(),tipsCount")
+
     messagelayer.Tangle().Scheduler.Events.MessageScheduled.Attach(events.NewClosure(func(messageID tangle.MessageID) {
         messagelayer.Tangle().Storage.Message(messageID).Consume(func(msg *tangle.Message) {
             issuerID := identity.NewID(msg.IssuerPublicKey())