Imports of package manager

PathSynopsis
crypto/x509Package x509 implements a subset of the X.509 standard.
encoding/pemPackage pem implements the PEM data encoding, which originated in Privacy Enhanced Mail.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/Sirupsen/logrus
github.com/docker/swarmkit/apiPackage api is a generated protocol buffer package.
github.com/docker/swarmkit/ca
github.com/docker/swarmkit/log
github.com/docker/swarmkit/manager/allocatorPackage allocator aims to manage allocation of different cluster-wide resources on behalf of the manager.
github.com/docker/swarmkit/manager/controlapi
github.com/docker/swarmkit/manager/dispatcher
github.com/docker/swarmkit/manager/healthPackage health provides some utility functions to health-check a server.
github.com/docker/swarmkit/manager/keymanager
github.com/docker/swarmkit/manager/orchestrator
github.com/docker/swarmkit/manager/raftpicker
github.com/docker/swarmkit/manager/scheduler
github.com/docker/swarmkit/manager/state/raft
github.com/docker/swarmkit/manager/state/store
github.com/docker/swarmkit/protobuf/ptypesPackage ptypes is a copy of the golang/protobuf/ptypes that we'll need to use with our regenerated ptypes until google gets their act together and makes their "Well Known Types" actually usable by other parties.
golang.org/x/net/contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
google.golang.org/grpcPackage grpc implements an RPC system called gRPC.
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
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.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
syscallPackage syscall contains an interface to the low-level operating system primitives.
timePackage time provides functionality for measuring and displaying time.