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/files/default_catalog.templates b/files/default_catalog.templates
index 31618ab..66052b6 100644
--- a/files/default_catalog.templates
+++ b/files/default_catalog.templates
@@ -30,7 +30,7 @@
 catalog.RegionOne.s3.name = S3 Service
 
 
-catalog.RegionOne.image.publicURL = http://%SERVICE_HOST%:9292/v1
-catalog.RegionOne.image.adminURL = http://%SERVICE_HOST%:9292/v1
-catalog.RegionOne.image.internalURL = http://%SERVICE_HOST%:9292/v1
+catalog.RegionOne.image.publicURL = http://%SERVICE_HOST%:9292
+catalog.RegionOne.image.adminURL = http://%SERVICE_HOST%:9292
+catalog.RegionOne.image.internalURL = http://%SERVICE_HOST%:9292
 catalog.RegionOne.image.name = Image Service