Imports of podex command

PathSynopsis
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
flagPackage flag implements command-line flag parsing.
github.com/GoogleCloudPlatform/kubernetes/pkg/api/v1beta1
github.com/fsouza/go-dockerclientPackage docker provides a client for the Docker remote API.
github.com/ghodss/yaml
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.