Rewrite imports for new github org

This rewrites the Go imports after switching to the new github org.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

archive/tar.go

@@ -14,8 +14,8 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/docker/containerd/fs"
-	"github.com/docker/containerd/log"
+	"github.com/containerd/containerd/fs"
+	"github.com/containerd/containerd/log"
 	"github.com/pkg/errors"
 )
 

archive/tar_test.go

@@ -10,8 +10,8 @@ import (
 
 	_ "crypto/sha256"
 
-	"github.com/docker/containerd/fs"
-	"github.com/docker/containerd/fs/fstest"
+	"github.com/containerd/containerd/fs"
+	"github.com/containerd/containerd/fs/fstest"
 	"github.com/pkg/errors"
 )
 

archive/tar_windows.go

@@ -7,7 +7,7 @@ import (
 	"os"
 	"strings"
 
-	"github.com/docker/containerd/sys"
+	"github.com/containerd/containerd/sys"
 )
 
 // tarName returns platform-specific filepath