switch from godep to glide

vendor/github.com/docker/distribution/manifest/schema2/builder.go

@@ -46,9 +46,6 @@ func (mb *builder) Build(ctx context.Context) (distribution.Manifest, error) {
 	m.Config, err = mb.bs.Stat(ctx, configDigest)
 	switch err {
 	case nil:
-		// Override MediaType, since Put always replaces the specified media
-		// type with application/octet-stream in the descriptor it returns.
-		m.Config.MediaType = MediaTypeConfig
 		return FromStruct(m)
 	case distribution.ErrBlobUnknown:
 		// nop

vendor/github.com/docker/distribution/manifest/schema2/manifest.go

@@ -17,9 +17,6 @@ const (
 	// MediaTypeConfig specifies the mediaType for the image configuration.
 	MediaTypeConfig = "application/vnd.docker.container.image.v1+json"
 
-	// MediaTypePluginConfig specifies the mediaType for plugin configuration.
-	MediaTypePluginConfig = "application/vnd.docker.plugin.image.v0+json"
-
 	// MediaTypeLayer is the mediaType used for layers referenced by the
 	// manifest.
 	MediaTypeLayer = "application/vnd.docker.image.rootfs.diff.tar.gzip"

vendor/github.com/docker/distribution/manifest/versioned.go

@@ -1,8 +1,8 @@
 package manifest
 
-// Versioned provides a struct with the manifest schemaVersion and mediaType.
-// Incoming content with unknown schema version can be decoded against this
-// struct to check the version.
+// Versioned provides a struct with the manifest schemaVersion and . Incoming
+// content with unknown schema version can be decoded against this struct to
+// check the version.
 type Versioned struct {
 	// SchemaVersion is the image manifest schema that this image follows
 	SchemaVersion int `json:"schemaVersion"`