Issue #3018 improve logging and handling of slow data rates.
* Slow data rates now result in aborted channels, but exception is still thrown. Test for 408 in requestLog
* Updated many RequestLog usages to use Server.setRequestLog rather than a RequestLogHandler
* Fixed javadoc
* removed BadRequestLogHandlerTest (tested in RequestLogTest)
* added JMH to show the future of request logging for #113
* copyright header.
* Updates from review
* Revert to throwing BadMessageException
* BME ensures a 408 is logged rather than a 500
Signed-off-by: Greg Wilkins <gregw@webtide.com>
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