The client does support SSL authentication through keystoneauth right now. In
CLI mode, this is done through the "--os-cert" and "--os-cacert" options, or
through environment variables.
However, when the client is used as a python library,this is done through
requests' "verify" parameter, which is not very explicit.
This adds two parameters to the client
Change-Id: I68969c658724f53c85c47ab6098a3e2165f5925d
Story: 2003689
Task: 26224
fff37a84fa