Update scaler.sh
Update scaler.sh

Redirecting only stderr to /dev/null will spam the stackdriver logs with the acutal output of the "kubectl get" command. Both stdout and stderr should be redirected.
GoogleCloudPlatform/k8s-stackdriver,GoogleCloudPlatform/k8s-stackdriver,GoogleCloudPlatform/k8s-stackdriver,kawych/k8s-stackdriver,kawych/k8s-stackdriver,kawych/k8s-stackdriver,kawych/k8s-stackdriver