Initial Oslo sync for Tempest.

This patch syncs cfg, iniparser, and setup from oslo.
Additionally, to avoid a name conflict tempest.openstack was
renamed tempest.clients.

Also, the duplicate copy of setup.py in tempest.common was removed
and all references to it were updated.

Change-Id: I6ed3a97e35ce73b820f7a436214480051ed6528f
diff --git a/openstack-common.conf b/openstack-common.conf
new file mode 100644
index 0000000..a75279f
--- /dev/null
+++ b/openstack-common.conf
@@ -0,0 +1,7 @@
+[DEFAULT]
+
+# The list of modules to copy from openstack-common
+modules=setup,cfg,iniparser
+
+# The base module to hold the copy of openstack.common
+base=tempest