restapi: VM-runtime-only information presented after VM goes down (#869682)

VM-runtime-only display information is presented by api after VM goes down

The runtime only information like address, port, secure_port and start_time
need to be hidden when the vm is not running.

Change-Id: Ie36fa8049c8ddad483e7e16f13a3d0a029f8f218
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=869682
Signed-off-by: Ravi Nori <rnori@redhat.com>