Add engine-api types to docker

This moves the types for the `engine-api` repo to the existing types
package.

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

cliconfig/credentials/credentials.go

@@ -1,7 +1,7 @@
 package credentials
 
 import (
-	"github.com/docker/engine-api/types"
+	"github.com/docker/docker/api/types"
 )
 
 // Store is the interface that any credentials store must implement.

cliconfig/credentials/file_store.go

@@ -3,7 +3,9 @@ package credentials
 import (
 	"github.com/docker/docker/cliconfig/configfile"
 	"github.com/docker/docker/registry"
-	"github.com/docker/engine-api/types"
+
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/cliconfig/configfile"
 )
 
 // fileStore implements a credentials store using

cliconfig/credentials/file_store_test.go

@@ -4,9 +4,9 @@ import (
 	"io/ioutil"
 	"testing"
 
+	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/cliconfig"
 	"github.com/docker/docker/cliconfig/configfile"
-	"github.com/docker/engine-api/types"
 )
 
 func newConfigFile(auths map[string]types.AuthConfig) *configfile.ConfigFile {

cliconfig/credentials/native_store.go

@@ -3,8 +3,8 @@ package credentials
 import (
 	"github.com/docker/docker-credential-helpers/client"
 	"github.com/docker/docker-credential-helpers/credentials"
+	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/cliconfig/configfile"
-	"github.com/docker/engine-api/types"
 )
 
 const (

cliconfig/credentials/native_store_test.go

@@ -10,7 +10,7 @@ import (
 
 	"github.com/docker/docker-credential-helpers/client"
 	"github.com/docker/docker-credential-helpers/credentials"
-	"github.com/docker/engine-api/types"
+	"github.com/docker/docker/api/types"
 )
 
 const (