Bump libcompose and its dependencies

vendor/github.com/docker/engine-api/client/container_stop.go

@@ -0,0 +1,18 @@
+package client
+
+import (
+	"net/url"
+	"strconv"
+
+	"golang.org/x/net/context"
+)
+
+// ContainerStop stops a container without terminating the process.
+// The process is blocked until the container stops or the timeout expires.
+func (cli *Client) ContainerStop(ctx context.Context, containerID string, timeout int) error {
+	query := url.Values{}
+	query.Set("t", strconv.Itoa(timeout))
+	resp, err := cli.post(ctx, "/containers/"+containerID+"/stop", query, nil, nil)
+	ensureReaderClosed(resp)
+	return err
+}