cert-manager: Upgrade to 0.5.0

Upstream Changes:

-   cert-manager 0.5.0 (https://github.com/jetstack/cert-manager/releases/tag/v0.5.0)

Our Changes:

-   Templates sync with upstream manifests

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

@@ -5,7 +5,7 @@ metadata:
   name: cert-manager
   labels:
     app: cert-manager
-    chart: cert-manager-v0.4.1
+    chart: cert-manager-v0.5.0
     release: cert-manager
     heritage: Tiller
 rules:
@@ -13,12 +13,7 @@ rules:
     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"]
+    resources: ["configmaps", "secrets", "events", "services", "pods"]
     verbs: ["*"]
   - apiGroups: ["extensions"]
     resources: ["ingresses"]