Update heketi dependency to release3.

Godeps/Godeps.json

@@ -1418,18 +1418,15 @@
 		},
 		{
 			"ImportPath": "github.com/heketi/heketi/client/api/go-client",
-			"Comment": "v2.1.0-dev-2-gcb07059",
-			"Rev": "cb07059aed8760ef857a58d37598b9e51c36a9ae"
+			"Rev": "28b5cc4cc6d2b9bdfa91ed1b93efaab4931aa697"
 		},
 		{
 			"ImportPath": "github.com/heketi/heketi/pkg/glusterfs/api",
-			"Comment": "v2.1.0-dev-2-gcb07059",
-			"Rev": "cb07059aed8760ef857a58d37598b9e51c36a9ae"
+			"Rev": "28b5cc4cc6d2b9bdfa91ed1b93efaab4931aa697"
 		},
 		{
 			"ImportPath": "github.com/heketi/heketi/pkg/utils",
-			"Comment": "v2.1.0-dev-2-gcb07059",
-			"Rev": "cb07059aed8760ef857a58d37598b9e51c36a9ae"
+			"Rev": "28b5cc4cc6d2b9bdfa91ed1b93efaab4931aa697"
 		},
 		{
 			"ImportPath": "github.com/howeyc/gopass",

vendor/github.com/heketi/heketi/pkg/glusterfs/api/types.go

@@ -155,6 +155,7 @@ type VolumeCreateRequest struct {
 	Clusters   []string             `json:"clusters,omitempty"`
 	Name       string               `json:"name"`
 	Durability VolumeDurabilityInfo `json:"durability,omitempty"`
+	Gid        int64                `json:"gid,omitempty"`
 	Snapshot   struct {
 		Enable bool    `json:"enable"`
 		Factor float32 `json:"factor"`

vendor/github.com/heketi/heketi/pkg/utils/bodystring.go

@@ -21,6 +21,7 @@ import (
 	"io"
 	"io/ioutil"
 	"net/http"
+	"strings"
 )
 
 // Return the body from a response as a string
@@ -39,5 +40,5 @@ func GetErrorFromResponse(r *http.Response) error {
 	if err != nil {
 		return err
 	}
-	return errors.New(s)
+	return errors.New(strings.TrimSpace(s))
 }

vendor/github.com/heketi/heketi/pkg/utils/log.go

@@ -114,10 +114,12 @@ func (l *Logger) Critical(format string, v ...interface{}) {
 }
 
 // Log error string
-func (l *Logger) LogError(format string, v ...interface{}) {
+func (l *Logger) LogError(format string, v ...interface{}) error {
 	if l.level >= LEVEL_ERROR {
 		logWithLongFile(l.errorlog, format, v...)
 	}
+
+	return fmt.Errorf(format, v...)
 }
 
 // Log error variable
@@ -136,6 +138,15 @@ func (l *Logger) Warning(format string, v ...interface{}) {
 	}
 }
 
+// Log error variable as a warning
+func (l *Logger) WarnErr(err error) error {
+	if l.level >= LEVEL_WARNING {
+		logWithLongFile(l.warninglog, "%v", err)
+	}
+
+	return err
+}
+
 // Log string
 func (l *Logger) Info(format string, v ...interface{}) {
 	if l.level >= LEVEL_INFO {