Revert "Remove python-openstackclient."

This reverts commit 6e3330967c5c7be73a8ffee3779c214768683c56

This is in fact useful to an admittedly small population.  And if I had not been on vacation I'd have -2'd it...
diff --git a/stackrc b/stackrc
index e0c69ca..01e9556 100644
--- a/stackrc
+++ b/stackrc
@@ -76,6 +76,10 @@
 NOVACLIENT_REPO=${GIT_BASE}/openstack/python-novaclient.git
 NOVACLIENT_BRANCH=master
 
+# consolidated openstack python client
+OPENSTACKCLIENT_REPO=${GIT_BASE}/openstack/python-openstackclient.git
+OPENSTACKCLIENT_BRANCH=master
+
 # python keystone client library to nova that horizon uses
 KEYSTONECLIENT_REPO=${GIT_BASE}/openstack/python-keystoneclient
 KEYSTONECLIENT_BRANCH=master