copy entire repo tree from dev machine to head node (CORD-753)

Change-Id: Ia1e1e0b923dfa93c9936982077266dced96ae071
diff --git a/roles/xos-install/defaults/main.yml b/roles/xos-install/defaults/main.yml
index 7efc55e..fe04cec 100644
--- a/roles/xos-install/defaults/main.yml
+++ b/roles/xos-install/defaults/main.yml
@@ -14,3 +14,5 @@
 docker_tag: "latest"
 docker_registry: "docker.io"
 local_docker_registry: "docker-registry:5000"
+
+cord_dest_dir: "/opt/cord"