mod_http_muc_log: Move language attribute onto body itself One could argue that it's mostly the message that is in a particular language, while the timestamp is less so. What language a particular nickname is, and its relation to the language in the text, that is an unresolved question.

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summary: Storage benchmark tool
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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.