Re Orginise k8s docs to make 1.6 usage easier

* Adds some raw.githubusercontent.com links to the kubectl examples to
make following along at home simpler.
* Dedupe the config for rbac so it can just be ommited if not needed.

examples/k8s/traefik.yaml

@@ -1,5 +1,11 @@
+---
 apiVersion: v1
-kind: Deployment
+kind: ServiceAccount
+metadata:
+  name: traefik-ingress-controller
+  namespace: kube-system
+---
+kind: DaemonSet
 apiVersion: extensions/v1beta1
 metadata:
   name: traefik-ingress-controller
@@ -7,16 +13,13 @@ metadata:
   labels:
     k8s-app: traefik-ingress-lb
 spec:
-  replicas: 1
-  selector:
-    matchLabels:
-      k8s-app: traefik-ingress-lb
   template:
     metadata:
       labels:
         k8s-app: traefik-ingress-lb
         name: traefik-ingress-lb
     spec:
+      serviceAccountName: traefik-ingress-controller
       terminationGracePeriodSeconds: 60
       hostNetwork: true
       containers:
@@ -35,6 +38,8 @@ spec:
           hostPort: 80
         - name: admin
           containerPort: 8081
+        securityContext:
+          privileged: true
         args:
         - -d
         - --web