Add stage base class, refactor discovery, etc
diff --git a/configs-examples/full.yaml b/configs-examples/full.yaml
index 0874f4f..5c336ff 100644
--- a/configs-examples/full.yaml
+++ b/configs-examples/full.yaml
@@ -32,7 +32,7 @@
         aa_group_name: wally-aa-{0}
         security_group: wally_ssh_to_everyone
 
-clouds:
+clouds
     fuel:
         url: http://172.16.44.13:8000/
         creds: admin:admin@admin