Update to Ansible 2.2.1.0 and adjust all file mode settings to provide them as strings

tasks/jailkit.yml

@@ -113,7 +113,7 @@
     dest='/etc/logrotate.d/apache2-{{ item.jail.name }}'
     owner='root'
     group='root'
-    mode=644
+    mode='644'
   with_items: '{{ drupal_settings|default([]) }}'
   when: item.jail is defined and (limit_drupal_site is not defined or item.id is not defined or limit_drupal_site == item.id)
   tags: 'logrotate'