[MERGE] [Loggerhead] (trivial) More descriptive cache dir name

[Matt Nordhoff]

John Arbash Meinel wrote:
> John Arbash Meinel has voted reject.
> Status is now: Vetoed
> Comment:
> Meant for Loggerhead.
> 
> For details, see:
> http://bundlebuggy.aaronbentley.com/request/%3C488B77F3.5090203%40mattnordhoff.com%3E

Sorry for the BB spam, then. What's the right subject to use to get BB
to ignore it?
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