Update prerequisities doc with AKS GA and RBAC enabled by default now (#128)

* Update prerequisities doc with AKS GA and RBAC enabled by default now

*  Update prerequisities doc with RBAC enabled by default now with AKS

docs/prerequisities/README.md

@@ -68,7 +68,7 @@ KUBECONFIG=$KUBECONFIG_PATH:_output/$CLUSTER_NAME/kubeconfig/kubeconfig.$REGION.
     kubectl config view --flatten > $KUBECONFIG_PATH
 ```
 
-## Azure Container Service (AKS)
+## Azure Kubernetes Service (AKS)
 
 If you would like to use Service Catalog and Open Service Broker for Azure with
 AKS, create a cluster as outlined in the AKS [quickstart](https://docs.microsoft.com/en-us/azure/aks/kubernetes-walkthrough).
@@ -90,35 +90,19 @@ helm init --upgrade
 Otherwise, you'll need to install the Helm componentry onto your cluster
 yourself. 
 
-If you are using Minikube, run the following commands to complete the installation:
+If you are using AKS or Minikube, run the following commands to complete the installation:
 
 ```console
 kubectl create -f https://raw.githubusercontent.com/Azure/helm-charts/master/docs/prerequisities/helm-rbac-config.yaml
 helm init --service-account tiller
 ```
 
-Note: Currently, AKS does not support Role Based Access Control (RBAC).
-If you are using AKS, you will need to install Helm without RBAC:
-
-```console
-helm init
-```
-
-
 # Step 3: Install Service Catalog
 
 After you've successfully installed your Kubernetes cluster and installed Helm, 
 you'll need to install Service Catalog.
 
-To install Service Catalog on an AKS cluster, execute the following commands:
-
-```console
-helm repo add svc-cat https://svc-catalog-charts.storage.googleapis.com
-helm install svc-cat/catalog --name catalog --namespace catalog --set rbacEnable=false
-```
-Note: when using AKS, you must disable RBAC as shown above.
-
-Otherwise, execute the following commands:
+To install Service Catalog, execute the following commands:
 
 ```console
 helm repo add svc-cat https://svc-catalog-charts.storage.googleapis.com