Add docker registry to CiaB config

Change-Id: Ieaf6aa382f2e99a972e9a1bed53e82b7fcee5f5b
diff --git a/config/cord_in_a_box.yml b/config/cord_in_a_box.yml
index da1927e..9fe0a19 100644
--- a/config/cord_in_a_box.yml
+++ b/config/cord_in_a_box.yml
@@ -47,6 +47,7 @@
 
 docker:
   imageVersion: candidate
+  registry: '10.100.198.201:5000'
 
 otherServers:
   # Specifies the configuration for dynamically added compute nodes