Imports of package swarm

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/containerd/logPackage log provides types and functions related to logging, passing loggers through a context, and attaching context to the logger.
github.com/docker/docker/api/server/httputils
github.com/docker/docker/api/server/router
github.com/docker/docker/api/types
github.com/docker/docker/api/types/backendPackage backend includes types to send information to server backends.
github.com/docker/docker/api/types/container
github.com/docker/docker/api/types/filtersPackage filters provides tools for encoding a mapping of keys to a set of multiple values.
github.com/docker/docker/api/types/registry
github.com/docker/docker/api/types/swarm
github.com/docker/docker/api/types/versions
github.com/docker/docker/errdefsPackage errdefs defines a set of error interfaces that packages should use for communicating classes of errors.
github.com/pkg/errorsPackage errors provides simple error handling primitives.
net/httpPackage http provides HTTP client and server implementations.
strconvPackage strconv implements conversions to and from string representations of basic data types.