Merge pull request #316 from perezjosibm/wip.fio_workloads

Update documentation. Minor reformating on the fio-parse-jsons.py

benchmark/getput.py: rename tests->test, object/container changes to …

…support 1 container

Signed-off-by: Mark Nelson <[email protected]>

The first version of CBT imported from the ceph-tools repo.