Fix some docs

README.md

@@ -16,8 +16,9 @@ designed to be run from the nova source tree.  To use it:
 
     cd /opt/stack/
     git clone [email protected]:cloudbuilders/simple_nova_extension.git
-    cp simple_nova_extension/nova/nova/api/openstack/compute/contrib/cats.py nova/nova/api/openstack/compute/contrib/cats.py
-    cp simple_nova_extension/nova/nova/tests/api/openstack/compute/contrib/test_cats.py nova/nova/tests/api/openstack/compute/contrib/test_cats.py
+    cd simple_nova_extension
+    cp nova/nova/api/openstack/compute/contrib/cats.py ../nova/nova/api/openstack/compute/contrib/cats.py
+    cp nova/nova/tests/api/openstack/compute/contrib/test_cats.py ../nova/nova/tests/api/openstack/compute/contrib/test_cats.py
 
     # Then, restart your nova-api process!
 

nova/nova/api/openstack/compute/contrib/cats.py

@@ -74,6 +74,7 @@ class Cats(extensions.ExtensionDescriptor):
     updated = "2012-03-20T00:00:00+00:00"
 
     def get_resources(self):
+        """Return list of resource extensions"""
         resources = []
 
         res = extensions.ResourceExtension('os-cats',
@@ -82,6 +83,7 @@ def get_resources(self):
         return resources
 
     def get_controller_extensions(self):
+        """Return list of controller extensions"""
         controller = ExtendedServerCatController()
         extension = extensions.ControllerExtension(self, 'servers', controller)
         return [extension]