mod_http_oauth2: Include all granted roles in scopes The client is allowed to request a subset of granted scopes, so it makes sense to record all granted roles so that another could be selected at access token issuance.

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summary: Log a message once per minute
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This module sends `-- MARK --` to the log once per minute. This may be
useful to give a sense of how busy the server is or see that logging and
timers are still working.