gentoo: pull & cache test files for bzip2 compression tests
gentoo: pull & cache test files for bzip2 compression tests

In a first step we host the testfiles @
http://lairosiel.de/dist/

In later commits we might make this url configurable.


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PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild,PolyJIT/benchbuild