Change of copyright to HP for keystone regions

Modified copyight header from "OpenStack Foundation" to
"Hewlett-Packard Development Company, L.P" as the following files
were submitted by  Hewlett-Packard Development Company according to the
review link https://review.openstack.org/#/c/93347/

tempest/api/identity/admin/v3/test_regions.py
tempest/services/identity/v3/json/region_client.py
tempest/services/identity/v3/xml/region_client.py

Change-Id: Id6ff2717d882b165636f010590d00dd2ebb4e184
diff --git a/tempest/api/identity/admin/v3/test_regions.py b/tempest/api/identity/admin/v3/test_regions.py
index 03974e4..c8b034f 100644
--- a/tempest/api/identity/admin/v3/test_regions.py
+++ b/tempest/api/identity/admin/v3/test_regions.py
@@ -1,4 +1,4 @@
-# Copyright 2014 OpenStack Foundation
+# Copyright 2014 Hewlett-Packard Development Company, L.P
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tempest/services/identity/v3/json/region_client.py b/tempest/services/identity/v3/json/region_client.py
index f95d00f..c078765 100644
--- a/tempest/services/identity/v3/json/region_client.py
+++ b/tempest/services/identity/v3/json/region_client.py
@@ -1,4 +1,4 @@
-# Copyright 2014 OpenStack Foundation
+# Copyright 2014 Hewlett-Packard Development Company, L.P
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tempest/services/identity/v3/xml/region_client.py b/tempest/services/identity/v3/xml/region_client.py
index 9f9161d..f854138 100644
--- a/tempest/services/identity/v3/xml/region_client.py
+++ b/tempest/services/identity/v3/xml/region_client.py
@@ -1,4 +1,4 @@
-# Copyright 2014 OpenStack Foundation
+# Copyright 2014 Hewlett-Packard Development Company, L.P
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may