qa: workunits: mon: crush_ops: test 'ceph osd crush move'

Signed-off-by: Joao Eduardo Luis <joao.luis@inktank.com>
Merge pull request #583 from ceph/wip-6230-workunit

qa: workunits: mon: crush_ops: test 'ceph osd crush move' 

Reviewed-by: Sage Weil <sage@inktank.com>