ciao-cli: Use a client certificate to authenticate if supplied
ciao-cli: Use a client certificate to authenticate if supplied

If a client side certificate is supplied then use that for
authentication against the HTTP server.

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

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