filer: able to tail meta data changes

weed/command/command.go

@@ -12,21 +12,22 @@ var Commands = []*Command{
 	cmdBackup,
 	cmdCompact,
 	cmdCopy,
-	cmdFix,
-	cmdFilerReplicate,
-	cmdServer,
-	cmdMaster,
-	cmdFiler,
-	cmdS3,
-	cmdUpload,
 	cmdDownload,
+	cmdExport,
+	cmdFiler,
+	cmdFilerReplicate,
+	cmdFix,
+	cmdMaster,
+	cmdMount,
+	cmdS3,
 	cmdMsgBroker,
 	cmdScaffold,
+	cmdServer,
 	cmdShell,
+	cmdTail,
+	cmdUpload,
 	cmdVersion,
 	cmdVolume,
-	cmdExport,
-	cmdMount,
 	cmdWebDav,
 }