Enable weave upgrade from previous versions

Raise readiness probe initial time to 60 (was 30)

roles/kubernetes-apps/network_plugin/weave/tasks/main.yml

@@ -30,8 +30,8 @@
     return_content: yes
   run_once: true
   register: weave_status
-  retries: 10
-  delay: "{{ retry_stagger | random + 3 }}"
+  retries: 12
+  delay: 10
   until: "{{ weave_status.status == 200 and
     'Status: ready' in weave_status.content }}"
   delegate_to: "{{groups['kube-master'][0]}}"