Mainly add missing commands to podman image, podman containers, podman system
Also fix some informations messages and descriptions.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
* All commands now using the same instance of json API
* `json` variable created in each package to prevent `encoding/json`
from being re-introduced
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Daniel J Walsh
Jhon Honce
Brent Baude