cli: status command description need to rephrase

help ping command has oVirt manager in the help text
needs to be product specific

Change-Id: I728b3e23b96694bf1349fbfb7c10b7940a7666ed
Bug-Url: https://bugzilla.redhat.com/957624
Signed-off-by: Ravi Nori <rnori@redhat.com>