Minor fixes to help integration of CORD-912

Change-Id: I8dd69bf2eae091ca60bbbfbfebce465405662a58
diff --git a/inventory/head-localhost b/inventory/head-localhost
index 6446998..f900e15 100644
--- a/inventory/head-localhost
+++ b/inventory/head-localhost
@@ -1,7 +1,13 @@
 ; used to bootstrap CiaB configs
 
+[config]
+localhost ansible_connection=local
+
 [head]
 localhost ansible_connection=local
 
+[build]
+localhost ansible_connection=local
+
 [compute]
 ; empty, but needed to avoid template issues