cert-manager: Upgrade to 0.3.2

Upstream Changes:

-   cert-manager 0.3.2 (https://github.com/jetstack/cert-manager/releases/tag/v0.3.2)

Our Changes:

-   Remove legacy addon dir, manifests and namespace before upgrade

roles/kubernetes-apps/ingress_controller/cert_manager/templates/clusterrole-cert-manager.yml.j2

@@ -0,0 +1,25 @@
+---
+apiVersion: rbac.authorization.k8s.io/v1beta1
+kind: ClusterRole
+metadata:
+  name: cert-manager
+  labels:
+    app: cert-manager
+    chart: cert-manager-v0.3.4
+    release: cert-manager
+    heritage: Tiller
+rules:
+  - apiGroups: ["certmanager.k8s.io"]
+    resources: ["certificates", "issuers", "clusterissuers"]
+    verbs: ["*"]
+  - apiGroups: [""]
+    # TODO: remove endpoints once 0.4 is released. We include it here in case
+    # users use the 'master' version of the Helm chart with a 0.2.x release of
+    # cert-manager that still performs leader election with Endpoint resources.
+    # We advise users don't do this, but some will anyway and this will reduce
+    # friction.
+    resources: ["endpoints", "configmaps", "secrets", "events", "services", "pods"]
+    verbs: ["*"]
+  - apiGroups: ["extensions"]
+    resources: ["ingresses"]
+    verbs: ["*"]