Breaking: Adapt coreutils dev file structure #39

Job	Run time
Run benchmarks (memory, uu_cmp)	2m 9s
Run benchmarks (memory, uu_diff)	2m 12s
Run benchmarks (simulation, uu_diff)	2m 24s
Run benchmarks (simulation, uu_cmp)	1m 56s
	8m 41s

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