inspect the full repo/image:tag name
Allow, when testing, SelfLinks to be unset. Kubelet now makes events in tests.
Merge pull request #2815 from jdef/inspect_tagged_image

inspect the full repo/image:tag name
Merge pull request #2821 from lavalamp/fix

Allow, when testing, SelfLinks to be unset.
api: add container's id to ContainerStatus

Sometimes for external applications it is useful to correlate the pod
containers to the real docker instances.

This patch adds a new entry in the container status (containerID) which
is used to identify the instance.

Signed-off-by: Federico Simoncelli <fsimonce@redhat.com>