Imports of package vfs

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/docker/docker/daemon/graphdriver
github.com/docker/docker/pkg/chrootarchive
github.com/docker/libcontainer/label
osPackage os provides a platform-independent interface to operating system functionality.
pathPackage path implements utility routines for manipulating slash-separated paths.