Switch to cirrors 0.3.5 also for the xen case

This image is available on the download site since Feb 2016,
so let's use it.

Change-Id: I3b89211f6e57f2c35056d7e9c57d08651a3a314f

Author: dirkmueller

stackrc

@@ -719,9 +719,9 @@ if [[ "$DOWNLOAD_DEFAULT_IMAGES" == "True" ]]; then
             DEFAULT_IMAGE_FILE_NAME=${DEFAULT_IMAGE_FILE_NAME:-$DEFAULT_IMAGE_NAME}
             IMAGE_URLS+="http://partnerweb.vmware.com/programs/vmdkimage/${DEFAULT_IMAGE_FILE_NAME}";;
         xenserver)
-            DEFAULT_IMAGE_NAME=${DEFAULT_IMAGE_NAME:-cirros-0.3.4-x86_64-disk}
-            DEFAULT_IMAGE_FILE_NAME=${DEFAULT_IMAGE_NAME:-cirros-0.3.4-x86_64-disk.vhd.tgz}
-            IMAGE_URLS+="http://ca.downloads.xensource.com/OpenStack/cirros-0.3.4-x86_64-disk.vhd.tgz"
+            DEFAULT_IMAGE_NAME=${DEFAULT_IMAGE_NAME:-cirros-0.3.5-x86_64-disk}
+            DEFAULT_IMAGE_FILE_NAME=${DEFAULT_IMAGE_NAME:-cirros-0.3.5-x86_64-disk.vhd.tgz}
+            IMAGE_URLS+="http://ca.downloads.xensource.com/OpenStack/cirros-0.3.5-x86_64-disk.vhd.tgz"
             IMAGE_URLS+=",http://download.cirros-cloud.net/${CIRROS_VERSION}/cirros-${CIRROS_VERSION}-x86_64-uec.tar.gz";;
     esac
     DOWNLOAD_DEFAULT_IMAGES=False