ceph-deploy task

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
rados.py: add option to do many short runs

Signed-off-by: Samuel Just <sam.just@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
role files
test bed stuff
socket stream
recovery bench
misc changes