GSEA test suite data files for Java 11
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The SVG outputs are slightly different than with Java 8, so we
have a parallel set of data files for testing under Java 11.
Most files are identical for the purpose of our usual (non-SVG)
comparisons, so those are simply hard-linked to the Java 8
test file hierarchy to avoid extra storage space usage.

To find the files that differ, use:
    find . -type f -links 1 -print