Add initial config to support deployments on VMs

* Add initial version of PDF and IDF that
will be consumed by the hardware provisioner used in
Kuberef to bring up libvirt VMs (for now 2 VMs for dev purposes).
* Add deploy_on_vms.sh script to deploy Kuberef on VMs
* Add new functions referenced by the deploy_on_vms.sh
script - these can be merged with existing functions
* Modify some of te BMRA templates to accomodate new changes.

This has been tested on Ubuntu 18.04 baremetal server.

Change-Id: I95a5e85cdab95befd24a1cae9f367b32ce26621e
Signed-off-by: Rihab Banday <rihab.banday@ericsson.com>
Reviewed-on: https://gerrit.opnfv.org/gerrit/c/kuberef/+/72621
Tested-by: jenkins-ci <jenkins-opnfv-ci@opnfv.org>
Reviewed-by: Michael Pedersen <michaelx.pedersen@intel.com>
Reviewed-by: Georg Kunz <georg.kunz@ericsson.com>