Fix module hiera lookups (#16)

Author: jamesps-ebi

data/os/Debian.yaml data/os/family/Debian.yamldata/os/Debian.yaml renamed to data/os/family/Debian.yaml

@@ -7,13 +7,10 @@ defaults:  # Used for any hierarchy level that omits these keys.
 
 hierarchy:
   - name: "osfamily/major release"
-    paths:
-        # Used to distinguish between Debian and Ubuntu
-      - "os/%{facts.os.name}/%{facts.os.release.major}.yaml"
-      - "os/%{facts.os.family}/%{facts.os.release.major}.yaml"
+    path: "os/family/%{facts.os.family}/%{facts.os.release.major}.yaml"
+
   - name: "osfamily"
-    paths:
-      - "os/%{facts.os.name}.yaml"
-      - "os/%{facts.os.family}.yaml"
+    path: "os/family/%{facts.os.family}.yaml"
+    
   - name: 'common'
     path: 'common.yaml'