add versioning to identity; add generic 'client' function
diff --git a/openstack/compute/images/client.go b/openstack/compute/images/client.go
index c5f1897..3390b99 100644
--- a/openstack/compute/images/client.go
+++ b/openstack/compute/images/client.go
@@ -1,7 +1,7 @@
 package images
 
 import (
-	"github.com/rackspace/gophercloud/openstack/identity"
+	identity "github.com/rackspace/gophercloud/openstack/identity/v2"
 )
 
 type Client struct {