Move salt based clusters to Docker 1.3.3

Part of #2896

(cherry picked from commit c9acafc98a3621d05901db54e28443b9d8801b2c)
Kubernetes version v0.6.2
Kubernetes version v0.6.2-dev
Merge pull request #2907 from jbeda/release-0.6

Cut v0.6.2