added installation roles for XOS and ONOS on sub-vm's
diff --git a/roles/onos-vm-install/templates/onos-setup-vars.yml.j2 b/roles/onos-vm-install/templates/onos-setup-vars.yml.j2
new file mode 100644
index 0000000..cd21505
--- /dev/null
+++ b/roles/onos-vm-install/templates/onos-setup-vars.yml.j2
@@ -0,0 +1,2 @@
+---
+