Fix things up to work with nova.

Add extern/six back - turns out setup_requires isn't transitive.
Make sure .gitignore is right.

.gitignore

@@ -25,3 +25,5 @@ develop-eggs
 .*.swp
 .coverage
 cover
+AUTHORS
+ChangeLog

setup.cfg

@@ -1,5 +1,6 @@
 [metadata]
 name = oslo.packaging
+version = 0.1
 author = OpenStack
 author-email = openstack-dev@lists.openstack.org
 summary = OpenStack's setup automation in a reusable form
@@ -19,7 +20,6 @@ classifier =
 [files]
 packages =
     oslo
-    oslo.packaging
 namespace_packages =
     oslo
 

setup.py

@@ -14,10 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from setuptools import setup
+import setuptools
 
 # See setup.cfg for the project metadata.
-from oslo.setup import util import filtered_args
+from oslo.packaging import util
 
 
-setup(**filtered_args())
+# Use our internals directly, so that we don't chicken-and-egg needing to
+# install an entry point before using ourself.
+setuptools.setup(**util.filtered_args())