Configure ansible user home

Turns out we need to ensure that, I guess

roles/common/tasks/ansible.yml

@@ -4,6 +4,8 @@
   block:
     - name: create ansible user
       user: name=ansible password_lock=yes
+    - name: configure ansible user home directory
+      file: path=/home/ansible owner=ansible group=ansible
     - name: configure ansible user keys
       authorized_key: user=ansible manage_dir=yes key={{ common_ansible_pubkey }}
     - name: configure ansible user sudo