kube-flannel: Add namespace for compatibility with RBAC rules

Documentation/kube-flannel.yml

@@ -3,11 +3,13 @@ apiVersion: v1
 kind: ServiceAccount
 metadata:
   name: flannel
+  namespace: kube-system
 ---
 kind: ConfigMap
 apiVersion: v1
 metadata:
   name: kube-flannel-cfg
+  namespace: kube-system
   labels:
     tier: node
     app: flannel
@@ -32,6 +34,7 @@ apiVersion: extensions/v1beta1
 kind: DaemonSet
 metadata:
   name: kube-flannel-ds
+  namespace: kube-system
   labels:
     tier: node
     app: flannel