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

Change-Id: I6fb77ab1ccdf08a18468adbc59474f94d603fc11
diff --git a/roles/cord-profile/defaults/main.yml b/roles/cord-profile/defaults/main.yml
index 6a30e58..2b9b9f2 100644
--- a/roles/cord-profile/defaults/main.yml
+++ b/roles/cord-profile/defaults/main.yml
@@ -4,10 +4,14 @@
 # where the cord_profile directory is on the config node
 config_cord_profile_dir: "/opt/cord_profile"
 
+head_cord_dir: "/opt/cord"
+
 pki_dir: "{{ playbook_dir }}/pki"
 ssh_pki_dir: "{{ playbook_dir }}/ssh_pki"
 credentials_dir: "{{ playbook_dir }}/credentials"
 
+head_credentials_dir: "/opt/credentials"
+
 # where cord files are copied to on head node
 head_cord_profile_dir: "/opt/cord_profile"
 head_cord_dir: "/opt/cord"