try to fix data race
Make labels for replicacontroller more descriptive
Add template update to rollingUpdate
Pretty up the demo a little.

Use images and some better formatting.  Also add scripts to help prevent typos.
Fix/expand kubecfg unit tests
Add containerPort to services in guestbook example
Use KUBECFG instead of CLOUDCFG in scripts
Fix up e2e test for update demo.

Use the scripts that are in the example directory.  Also actually run the update as part of the test.