ciao-controller: Create CoW volumes when booting images
ciao-controller: Create CoW volumes when booting images

With this change instances created from an image are derived from
volumes in the rbd backing store.

Fixes: #834

Signed-off-by: Rob Bradford <c49e1dc14cd52e2644816db47123896e0ac79025@intel.com>

erick0z/ciao,mrkz/ciao,mcastelino/ciao,mcastelino/ciao,tpepper/ciao,kaccardi/ciao,wcwxyz/ciao,ciao-project/ciao,01org/ciao,tpepper/ciao,tpepper/ciao,obedmr/ciao,mcastelino/ciao,erick0z/ciao,mrkz/ciao,matthewrsj/ciao,mrkz/ciao,markdryan/ciao,ciao-project/ciao,matthewrsj/ciao,obedmr/ciao,markdryan/ciao,matthewrsj/ciao,erick0z/ciao,rbradford/ciao,kaccardi/ciao,obedmr/ciao,wcwxyz/ciao,01org/ciao,wcwxyz/ciao,rbradford/ciao