ciao-cli: validate that controllerURL and client certficate are set
ciao-cli: validate that controllerURL and client certficate are set

And return an error if they are not.

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

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