Adds handling for Pre-signed TLS Certs, signed outside framework

[clevesque]

Allows for scenario where user is supplying their own CA Signed x509 certs and priv keys and we are not generating those in the framework. Expecting that each host has a directory, defined in variable "tls_presigned_certs": e.g. /etc/pki/certs, which contains: PEM format x509 signed cert, named .pem RSA style private key that is encrypted, named .key Passphrase for key is supplied by variable "tls_key_password" The Public CA certs of Issuer, root (and any intermediates) are expected to be on the controller host, defined by variable "tls_ca_certs" which has a list of CA certs. example: tls_ca_certs:

• alias: <alias name, like: root-ca> path: /root_ca.pem
• alias: <alias name, like: inter-ca> path: /intermediate_ca.pem

[clevesque]

More work needed........PR withdrawn