Enable scheduling of critical pods and network plugins on master

Added toleration to DNS, netchecker, fluentd, canal, and
calico policy.

Also small fixes to make yamllint pass.

roles/kubernetes-apps/policy_controller/calico/templates/calico-policy-controller.yml.j2

@@ -21,6 +21,9 @@ spec:
         k8s-app: calico-policy
     spec:
       hostNetwork: true
+      tolerations:
+       - effect: NoSchedule
+         operator: Exists
       containers:
         - name: calico-policy-controller
           image: {{ calico_policy_image_repo }}:{{ calico_policy_image_tag }}