update cadvisor, docker, and runc godeps

vendor/github.com/opencontainers/runc/libcontainer/console.go

@@ -1,15 +1,17 @@
 package libcontainer
 
-import "io"
+import (
+	"io"
+	"os"
+)
 
 // Console represents a pseudo TTY.
 type Console interface {
-	io.ReadWriter
-	io.Closer
+	io.ReadWriteCloser
 
 	// Path returns the filesystem path to the slave side of the pty.
 	Path() string
 
 	// Fd returns the fd for the master of the pty.
-	Fd() uintptr
+	File() *os.File
 }