Helm instructions (#111)

* Add links describing how to configure service accounts for tiller if needed.

* Update the link to helm.

README.md

@@ -35,9 +35,22 @@ CRD please refer to
 
 Custom Resources require Kubernetes >= 1.7
 
+For GPUs we recommend using Kubernetes 1.8
+
+ * Kubernetes 1.7 had some support for GPUs
+
 
 ## Installing the TfJob CRD and operator on your k8s cluster
 
+1. Ensure helm is running on your cluster
+
+   * On GKE with K8s 1.8, follow these
+     [instructions](https://docs.helm.sh/using_helm/#tiller-namespaces-and-rbac)
+     to setup appropriate service accounts for tiller.
+
+   * Azure K8s clusters should have service accounts configured by
+     default for tiller.
+
 1. Deploy the operator
 
    For non-RBAC enabled clusters: