Enable goimports check

Validates that goimports has been run on all files

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

.gometalinter.json

@@ -5,6 +5,7 @@
   "EnableGC": true,
   "Enable": [
     "gofmt",
+    "goimports",
     "golint",
     "vet"
   ]

notifications/endpoint.go

@@ -1,9 +1,10 @@
 package notifications
 
 import (
-	"github.com/docker/distribution/configuration"
 	"net/http"
 	"time"
+
+	"github.com/docker/distribution/configuration"
 )
 
 // EndpointConfig covers the optional configuration parameters for an active

registry/storage/driver/base/base.go

@@ -40,12 +40,12 @@ package base
 import (
 	"context"
 	"io"
+	"time"
 
 	dcontext "github.com/docker/distribution/context"
 	prometheus "github.com/docker/distribution/metrics"
 	storagedriver "github.com/docker/distribution/registry/storage/driver"
 	"github.com/docker/go-metrics"
-	"time"
 )
 
 var (

registry/storage/driver/middleware/cloudfront/s3filter_test.go

@@ -5,13 +5,14 @@ import (
 	"crypto/rand"
 	"encoding/json"
 	"fmt"
-	dcontext "github.com/docker/distribution/context"
 	"net"
 	"net/http"
 	"net/http/httptest"
 	"testing"
 	"time"
 
+	dcontext "github.com/docker/distribution/context"
+
 	"reflect" // used as a replacement for testify
 )