loggingmanager: Add reload_logging() method, which gets called on any config reload, to reset util.logger and remove and re-add all sink types to perform a full reload of the logging system without a restart.
loggingmanager: Add reload_logging() method, which gets called on any config reload, to reset util.logger and remove and re-add all sink types to perform a full reload of the logging system without a restart.

sarumjanuch/prosody,sarumjanuch/prosody