Add email to image_manager user

Change-Id: If840c90b02d4ffb6479b406071f49ef738e5835b
diff --git a/keystone/client/image_manager.yml b/keystone/client/image_manager.yml
index 5cd80ed..024b0c4 100644
--- a/keystone/client/image_manager.yml
+++ b/keystone/client/image_manager.yml
@@ -1,4 +1,6 @@
 parameters:
+  _param:
+    keystone_image_manager_email: 'root@localhost'
   keystone:
     client:
       enabled: true
@@ -16,5 +18,6 @@
                 image_manager:
                   is_admin: false
                   password: ${_param:keystone_image_manager_password}
+                  email: ${_param:keystone_image_manager_email}
                   roles:
                   - image_manager