More status on the Extras buildsystem

[Konstantin Ryabitsev]

Jeremy Katz wrote:
> Also, I've added a 'make plague' target to the Extras Makefile.common.

So, when can we expect "make locusts" and "make babies die"? :)

Thanks all for your work on the FEBS! Hmm.. FEBuS? FedEx BS?

Cheers,
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