mod_smacks_noerror: Add ability to silence errors if mod_offline is disabled This will also silence "message not delivered" errors if mod_offline is disabled and all clients are offline. This assumes working MAM for all clients (lready assumed by the rest of this module).

---
summary: Storage benchmark tool
...

To benchmark `mod_storage_internal`:

    prosodyctl mod_benchmark_storage internal

Does a number (aprox. 10000) of reads and writes and to the selected
storage driver and tells you how long it took.