Small fixes and cleanups (#295)

* fix typos, indicate unused returns

* Add test for publishToClient acl unauthorized

* Add Inline Client as a server option

examples/persistence/badger/main.go

@@ -53,6 +53,6 @@ func main() {
 
 	<-done
 	server.Log.Warn("caught signal, stopping...")
-	server.Close()
+	_ = server.Close()
 	server.Log.Info("main.go finished")
 }