Switch order of repos

I suspect the dependency solver copes better that way. Not sure though..

mpcdf_common.py

@@ -665,10 +665,10 @@ Macros:
             p.set("repository", repo)
             p.tail = "\n    "
 
-        if parent and name != "System":
-            path(parent, name)
         for dep_project, dep_repo in dependencies:
             path(dep_project, dep_repo)
+        if parent and name != "System":
+            path(parent, name)
 
         for arch in architectures:
             a = ElementTree.SubElement(r, "arch")