fix some broken links

upgrade all nginx examples to latest version
moved some examples from contrib to this repo

examples/customization/custom-template/README.md

@@ -0,0 +1,8 @@
+This example shows how is possible to use a custom template
+
+First create a configmap with a template inside running:
+```
+kubectl create configmap nginx-template --from-file=nginx.tmpl=../../nginx.tmpl
+```
+
+Next create the rc `kubectl create -f custom-template.yaml`

examples/customization/custom-template/custom-template.yaml

@@ -0,0 +1,62 @@
+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: nginx-ingress-controller
+  labels:
+    k8s-app: nginx-ingress-lb
+spec:
+  replicas: 1
+  selector:
+    k8s-app: nginx-ingress-lb
+  template:
+    metadata:
+      labels:
+        k8s-app: nginx-ingress-lb
+        name: nginx-ingress-lb
+    spec:
+      terminationGracePeriodSeconds: 60
+      containers:
+      - image: gcr.io/google_containers/nginx-ingress-controller:0.9.0-beta.2
+        name: nginx-ingress-lb
+        imagePullPolicy: Always
+        readinessProbe:
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 10254
+            scheme: HTTP
+          initialDelaySeconds: 10
+          timeoutSeconds: 1
+        # use downward API
+        env:
+          - name: POD_NAME
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.name
+          - name: POD_NAMESPACE
+            valueFrom:
+              fieldRef:
+                fieldPath: metadata.namespace
+        ports:
+        - containerPort: 80
+          hostPort: 80
+        - containerPort: 443
+          hostPort: 443
+        args:
+        - /nginx-ingress-controller
+        - --default-backend-service=$(POD_NAMESPACE)/default-http-backend
+        volumeMounts:
+          - mountPath: /etc/nginx/template
+            name: nginx-template-volume
+            readOnly: true
+      volumes:
+        - name: nginx-template-volume
+          configMap:
+            name: nginx-template
+            items:
+            - key: nginx.tmpl
+              path: nginx.tmpl