WIP: add option to disable versioning in EOS upon PUT request #83

Job	Run time
docker (docker/Dockerfile.revad) / docker	1m 23s
docker (docker/Dockerfile.revad-eos) / docker	42s
docker (docker/Dockerfile.reva) / docker	33s
docker (docker/Dockerfile.revad-ceph) / docker	2m 11s
docker (docker/Dockerfile.revad-eos) / docker	1m 2s
	5m 51s

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