fix: upgraded ``metadata.yaml`` for resources usage.

precise/mirror/metadata.yaml

@@ -4,4 +4,5 @@ maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
 inherit: base-0k
 description: |
     Backup by rsync mirroring
-data-dir: /var/mirror
+data-resources: 
+    - /var/mirror

precise/vpn/metadata.yaml

@@ -4,3 +4,5 @@ maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
 inherit: base-0k
 description: |
     Installs a VPN master server.
+config-resources:
+    - /etc/openvpn

precise/www/metadata.yaml

@@ -4,3 +4,7 @@ maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
 inherit: base-0k
 description: |
     Installs a HTTP Apache server.
+config-resources:
+    - /etc/apache2
+data-resources:
+    - /var/www