Bump image, storage, and image-spec

Bump containers/image (pulling in its new dependency on ostree-go),
containers/storage, and updated image-spec.

This pulls in the OCI v1.0 specifications and code that allows us to
support 1.0 images.

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

vendor/github.com/containers/image/transports/alltransports/alltransports.go

@@ -12,7 +12,7 @@ import (
 	_ "github.com/containers/image/docker/daemon"
 	_ "github.com/containers/image/oci/layout"
 	_ "github.com/containers/image/openshift"
-	_ "github.com/containers/image/ostree"
+	// The ostree transport is registered by ostree*.go
 	_ "github.com/containers/image/storage"
 	"github.com/containers/image/transports"
 	"github.com/containers/image/types"

vendor/github.com/containers/image/transports/alltransports/ostree.go

@@ -0,0 +1,8 @@
+// +build !containers_image_ostree_stub
+
+package alltransports
+
+import (
+	// Register the ostree transport
+	_ "github.com/containers/image/ostree"
+)

vendor/github.com/containers/image/transports/alltransports/ostree_stub.go

@@ -0,0 +1,9 @@
+// +build containers_image_ostree_stub
+
+package alltransports
+
+import "github.com/containers/image/transports"
+
+func init() {
+	transports.Register(transports.NewStubTransport("ostree"))
+}