Add ansible version check to deploy role

This will prevent this error on the deploy role

failed: [chroot] => (item=apache2,libapache2-mod-wsgi,python-ipaddr,python-pip,git) => {"failed": true, "item": "apache2,libapache2-mod-wsgi,python-ipaddr,python-pip,git"}
msg: this module requires key=value arguments (['pkg={{', 'item', '}}', 'state=present'])