ciao-cli: Split GET on image ID to own function
ciao-cli: Split GET on image ID to own function

This reduces the cyclomatic complexity in this part of ciao-cli.

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

tpepper/ciao,ciao-project/ciao,rbradford/ciao,kaccardi/ciao,markdryan/ciao,01org/ciao,tpepper/ciao,tpepper/ciao,markdryan/ciao,rbradford/ciao,01org/ciao,kaccardi/ciao,ciao-project/ciao