Add labels for containers

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

supervisor/create.go

@@ -12,7 +12,7 @@ type StartEvent struct {
 
 func (h *StartEvent) Handle(e *Event) error {
 	start := time.Now()
-	container, err := runtime.New(h.s.stateDir, e.ID, e.BundlePath)
+	container, err := runtime.New(h.s.stateDir, e.ID, e.BundlePath, e.Labels)
 	if err != nil {
 		return err
 	}

supervisor/event.go

@@ -64,6 +64,7 @@ type Event struct {
 	ResizeTty     bool
 	Width         int
 	Height        int
+	Labels        []string
 }
 
 type Handler interface {