Merge pull request #188 from teutostack/warnings-removal

Fixing deprecation warnings regarding bare variables and apt

roles/kubernetes/master/tasks/main.yml

@@ -45,7 +45,7 @@
 - meta: flush_handlers
 
 - include: start.yml
-  with_items: groups['kube-master']
+  with_items: "{{ groups['kube-master'] }}"
   when: "{{ hostvars[item].inventory_hostname == inventory_hostname }}"
 
 # Create kube-system namespace