Bump containers/image and containers/storage

Update to proposed changes in containers/image, and bump
containers/storage to 04ad0b827097209ca65e59b5fd768511f3b1ae91, which is
currently the tip of the master branch.

Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>

vendor/github.com/containers/storage/drivers/overlay/overlay.go

@@ -650,10 +650,21 @@ func (d *Driver) Get(id, mountLabel string) (_ string, retErr error) {
 func (d *Driver) Put(id string) error {
 	d.locker.Lock(id)
 	defer d.locker.Unlock(id)
+	dir := d.dir(id)
+	if _, err := os.Stat(dir); err != nil {
+		return err
+	}
 	mountpoint := path.Join(d.dir(id), "merged")
 	if count := d.ctr.Decrement(mountpoint); count > 0 {
 		return nil
 	}
+	if _, err := ioutil.ReadFile(path.Join(dir, lowerFile)); err != nil {
+		// If no lower, we used the diff directory, so no work to do
+		if os.IsNotExist(err) {
+			return nil
+		}
+		return err
+	}
 	if err := unix.Unmount(mountpoint, unix.MNT_DETACH); err != nil {
 		logrus.Debugf("Failed to unmount %s overlay: %s - %v", id, mountpoint, err)
 	}

vendor/github.com/containers/storage/store.go

@@ -1888,10 +1888,16 @@ func (s *store) layersByMappedDigest(m func(ROLayerStore, digest.Digest) ([]Laye
 		}
 		storeLayers, err := m(store, d)
 		if err != nil {
-			return nil, err
+			if errors.Cause(err) != ErrLayerUnknown {
+				return nil, err
+			}
+			continue
 		}
 		layers = append(layers, storeLayers...)
 	}
+	if len(layers) == 0 {
+		return nil, ErrLayerUnknown
+	}
 	return layers, nil
 }