update pod.json for new internal command and update router cmd descripti...

Updates for https://github.com/openshift/origin/pull/376, optional integration with e2e test to curl the route instead of direct to the pod.  Documentation update
I don't like this log parsing to GET an IP address... Perhaps in the future we should have something like `openshift status` that returns informations about currently running openshift (IP, state, health, etc...)