Imports of package flags

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/Sirupsen/logrus
github.com/docker/docker/cliconfig
github.com/docker/docker/opts
github.com/docker/go-connections/tlsconfigPackage tlsconfig provides primitives to retrieve secure-enough TLS configurations for both clients and servers.
github.com/spf13/pflagPackage pflag is a drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
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.