Change default nodes to 3 to suit trial size GCE account
Change default nodes to 3 to suit trial size GCE account

Signed-off-by: Christopher M. Luciano <6a3ee4b7e940bce72c1857de462f1d5fc92fcd3d@us.ibm.com>

weaveworks/weave-kubernetes-anywhere,weaveworks/kubernetes-anywhere,rohitjogvmw/kubernetes-anywhere