compiling config_defaults, unmarshall all values

etc/warewulf.conf

@@ -1,28 +1,36 @@
 WW_INTERNAL: 43
 ipaddr: 192.168.200.1
 netmask: 255.255.255.0
+network: 192.168.200.0
 warewulf:
   port: 9873
   secure: false
-  autobuild overlays: true
   update interval: 60
+  autobuild overlays: true
+  host overlay: false
   syslog: false
+  datastore: ""
 dhcp:
   enabled: true
+  template: default
   range start: 192.168.200.50
   range end: 192.168.200.99
-  template: default
   systemd name: dhcpd
 tftp:
   enabled: true
+  tftproot: ""
   systemd name: tftp
 nfs:
-  systemd name: nfs-server
+  enabled: true
+  exports: []
   export paths:
-    - path: /home
-      export options: rw,sync
-      mount options: defaults
-      mount: true
-    - path: /opt
-      export options: ro,sync,no_root_squash
-      mount: false
+  - path: /home
+    export options: rw,sync
+    mount options: defaults
+    mount: true
+  - path: /opt
+    export options: ro,sync,no_root_squash
+    mount options: ""
+    mount: false
+  systemd name: nfs-server
+