chore(queue): support NSQ as backend. (#600)

status/status.go

@@ -17,7 +17,7 @@ import (
 )
 
 // Stats provide response time, status code count, etc.
-var Stats = stats.New()
+var Stats *stats.Stats
 
 // StatStorage implements the storage interface
 var StatStorage storage.Storage
@@ -78,5 +78,7 @@ func InitAppStatus(conf config.ConfYaml) error {
 		return err
 	}
 
+	Stats = stats.New()
+
 	return nil
 }