updated to allow bare metal provisioning to work better with virtual machines on a single laptop

Change-Id: I82b6f6bac105e1be7380d147774f284fe6d2352a
diff --git a/head.yml b/head.yml
new file mode 100644
index 0000000..73d8762
--- /dev/null
+++ b/head.yml
@@ -0,0 +1,3 @@
+- hosts: head
+  roles:
+    - maas