Vendor containers/image and containers/storage

Vendor updated containers/image and containers/storage, along
with any new dependencies they drag in, and updated versions of other
dependencies that happen to get pulled in.

github.com/coreos/go-systemd/daemon/SdNotify() now takes a boolean to
control whether or not it unsets the NOTIFY_SOCKET variable from the
calling process's environment.  Adapt.

github.com/opencontainers/runtime-tools/generate/Generator.AddProcessEnv()
now takes the environment variable name and value as two arguments, not
one.  Adapt.

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

vendor/github.com/containernetworking/cni/libcni/api.go

@@ -43,6 +43,9 @@ type CNIConfig struct {
 	Path []string
 }
 
+// CNIConfig implements the CNI interface
+var _ CNI = &CNIConfig{}
+
 // AddNetwork executes the plugin with the ADD command
 func (c *CNIConfig) AddNetwork(net *NetworkConfig, rt *RuntimeConf) (*types.Result, error) {
 	pluginPath, err := invoke.FindInPath(net.Network.Type, c.Path)