Provide more accurate instructions for retrying failed jobs.
Really not trying to spark a bikeshed argument. just noticed that in some places he had it escaped, others he didnt. One example of this was "queue\_classic_jobs". This was probably just missed when he originally made the commit.
Provide a mechanism for QC users to handle log events. See instruments for an example usage: https://gist.github.com/2317855. This change also provided an opportunity to use structured data as the log format..
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