Triage blc dec 2014

Improvements
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* thomasvandoren/enumerate has now worked its way out of the system, so removed it

Regressions
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* none!  (Well, OK, we had some, but they got fixed before I had a chance to commit...)

Misc
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* completed the "review" sweeps for my week
* removed sporadic failures that hadn't been seen in a month as housecleaning
* factored 32-bit failures away from linux32 and cygwin32 because cygwin32 wasn't as much a proper superset of linux32 as I'd hoped (and as the "Inherits" tag suggests to me).  Once we got this category down to zero, I'd be inclined to remove it again.
* removed notes on investigative work, as I believe that belongs in pivotal, not here (to keep short and sweet)
* removed a duplicate (and unlabeled) reference to meteor-fast, as it's inherited from a parent category