Modify copy-platform script to support resolution from droplets. Change-Id: I0c5c92ab29df848e983ec1b5253c9b101080837f Reviewed-on: https://git.eclipse.org/r/55019 Reviewed-by: Roland Grunberg <rgrunber@redhat.com> Tested-by: Roland Grunberg <rgrunber@redhat.com>