Imports of host-integration command

PathSynopsis
bytesPackage bytes implements functions for the manipulation of byte slices.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/dotcloud/docker
osPackage os provides a platform-independent interface to operating system functionality.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
text/templatePackage template implements data-driven templates for generating textual output.