Add gerritx project infrastructure.

Add all of the support files needed for this to be a project.
Also, fix pep8 and pyflakes errors.
diff --git a/openstack-common.conf b/openstack-common.conf
new file mode 100644
index 0000000..8f55e0d
--- /dev/null
+++ b/openstack-common.conf
@@ -0,0 +1,7 @@
+[DEFAULT]
+
+# The list of modules to copy from openstack-common
+modules=setup,version
+
+# The base module to hold the copy of openstack.common
+base=gerritx