CORD-831 Set visibility of public net to 'public'
         Update trusty-server-multi-nic image

Change-Id: Iba45190cf050f0811f83d69561c59190ffa31f7f
diff --git a/roles/xos-install/templates/public-net.yaml.j2 b/roles/xos-install/templates/public-net.yaml.j2
index bd12924..26573ed 100644
--- a/roles/xos-install/templates/public-net.yaml.j2
+++ b/roles/xos-install/templates/public-net.yaml.j2
@@ -20,7 +20,7 @@
     public_template:
       type: tosca.nodes.NetworkTemplate
       properties:
-          visibility: private
+          visibility: public
           translation: none
           vtn_kind: PUBLIC
 
diff --git a/vars/cord_defaults.yml b/vars/cord_defaults.yml
index 7a0549b..76067bd 100644
--- a/vars/cord_defaults.yml
+++ b/vars/cord_defaults.yml
@@ -226,8 +226,8 @@
 
 xos_images:
   - name: "trusty-server-multi-nic"
-    url: "http://www.vicci.org/opencloud/trusty-server-cloudimg-amd64-disk1.img"
-    checksum: "sha256:c2d0ffc937aeb96016164881052a496658efeb98959dc68e73d9895c5d9920f7"
+    url: "http://www.vicci.org/opencloud/trusty-server-cloudimg-amd64-disk1.img.20170201"
+    checksum: "sha256:ebf007ba3ec1043b7cd011fc6668e2a1d1d4c69c41071e8513ab355df7a057cb"
 
   - name: "vsg-1.1"
     url: "http://www.vicci.org/cord/vsg-1.1.img"