Imports of wclayer command

PathSynopsis
bufioPackage bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
compress/gzipPackage gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952.
errorsPackage errors implements functions to manipulate errors.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/Microsoft/go-winioThis package provides utilities for efficiently performing Win32 IO operations in Go.
github.com/Microsoft/hcsshim
github.com/Microsoft/hcsshim/internal/appargsPackage appargs provides argument validation routines for use with github.com/urfave/cli.
github.com/Microsoft/hcsshim/internal/ociwclayer
github.com/urfave/cliPackage cli provides a minimal framework for creating and organizing command line Go applications.
ioPackage io provides basic interfaces to I/O primitives.
osPackage os provides a platform-independent interface to operating system functionality.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.