[CORD-1530]
Make config file directory creation using become an optional step
Cleanup various incongruities in defaults

Change-Id: I6fb77ab1ccdf08a18468adbc59474f94d603fc11
diff --git a/roles/copy-credentials/defaults/main.yml b/roles/copy-credentials/defaults/main.yml
index cf19dfd..46ce930 100644
--- a/roles/copy-credentials/defaults/main.yml
+++ b/roles/copy-credentials/defaults/main.yml
@@ -2,3 +2,5 @@
 # copy-credentials/defaults/main.yml
 
 credentials_dir: "{{ playbook_dir }}/credentials"
+
+head_credentials_dir: "/opt/credentials"