Add minimum ansible version to site.yml
Created by: bartonski
Addresses Issue #90 (closed) -- 'ansible: ERROR: become is not a legal parameter in an Ansible Playbook', by requiring that the ansible version must be at least 1.9.
Created by: bartonski
Addresses Issue #90 (closed) -- 'ansible: ERROR: become is not a legal parameter in an Ansible Playbook', by requiring that the ansible version must be at least 1.9.