Add Oslo release(s) for May 15, 2017

Change-Id: Ic9606929088cf5b2cb2e9555083037446b3a50b0

deliverables/pike/oslo.config.yaml

@@ -22,3 +22,7 @@ releases:
   projects:
   - repo: openstack/oslo.config
     hash: 12fd34b963f6efa1bd8afd8ce06de33c90135f6d
+- version: 4.1.1
+  projects:
+  - repo: openstack/oslo.config
+    hash: 3290830993094d8bfebaabd499ffd825bffdb3a6

deliverables/pike/oslo.i18n.yaml

@@ -18,3 +18,7 @@ releases:
   projects:
   - repo: openstack/oslo.i18n
     hash: f294b2d5054f421ccf13e110b2cc67128d4bebd8
+- version: 3.15.1
+  projects:
+  - repo: openstack/oslo.i18n
+    hash: 9d76e94a7f6bf480c76ee6497760cffba626a889

deliverables/pike/oslo.messaging.yaml

@@ -34,3 +34,7 @@ releases:
   projects:
   - repo: openstack/oslo.messaging
     hash: e569c92cd9d17c907ecc35e24c50c49717844bde
+- version: 5.24.1
+  projects:
+  - repo: openstack/oslo.messaging
+    hash: 831cbf8ecd87229b12177f6e449bac1859986e1c

deliverables/pike/oslo.policy.yaml

@@ -22,3 +22,7 @@ releases:
   projects:
   - repo: openstack/oslo.policy
     hash: 51af4de28430f9dce1a0744bc270bffb511be7c1
+- version: 1.22.1
+  projects:
+  - repo: openstack/oslo.policy
+    hash: 6715695f013714c9a5ffe93ec23dd0af8d2b037f

deliverables/pike/oslo.utils.yaml

@@ -18,3 +18,7 @@ releases:
   projects:
   - repo: openstack/oslo.utils
     hash: 824adacdfc4b2fad6556a32702737284948a7059
+- version: 3.25.1
+  projects:
+  - repo: openstack/oslo.utils
+    hash: 9e913db6ad41b3467fc9d4d4e939ae4e6f45f8c2

deliverables/pike/tooz.yaml

@@ -39,3 +39,7 @@ releases:
   projects:
   - repo: openstack/tooz
     hash: 8ebc10ace80dbffc1f4de0b9716431aa079c450d
+- version: 1.56.1
+  projects:
+  - repo: openstack/tooz
+    hash: 17620203cb2c8e93a331875cc0e21736ec75dfc4