Imports of package layers

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/Microsoft/hcsshim/internal/log
github.com/Microsoft/hcsshim/internal/ospath
github.com/Microsoft/hcsshim/internal/schema2
github.com/Microsoft/hcsshim/internal/uvmThis package describes the external interface for utility VMs.
github.com/Microsoft/hcsshim/internal/wclayerPackage wclayer provides bindings to HCS's legacy layer management API and provides a higher level interface around these calls for container layer management.
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.