Add glance client

* python-glanceclient overrides the old client shipped with glance in /usr/local/bin
* start adding exercises

Change-Id: I460ed5749bca69425f23d328c0537c2ef91f84a4
diff --git a/stackrc b/stackrc
index d0fa1c2..3ad46cc 100644
--- a/stackrc
+++ b/stackrc
@@ -17,14 +17,14 @@
 SWIFT_REPO=https://github.com/openstack/swift.git
 SWIFT_BRANCH=master
 
-# swift and keystone integration
-SWIFT_KEYSTONE_REPO=https://github.com/cloudbuilders/swift-keystone2.git
-SWIFT_KEYSTONE_BRANCH=master
-
 # image catalog service
 GLANCE_REPO=https://github.com/openstack/glance.git
 GLANCE_BRANCH=master
 
+# python glance client library
+GLANCECLIENT_REPO=https://github.com/openstack/python-glanceclient
+GLANCECLIENT_BRANCH=master
+
 # unified auth system (manages accounts/tokens)
 KEYSTONE_REPO=https://github.com/openstack/keystone.git
 KEYSTONE_BRANCH=master