add python2-cryptography rpm for ansible 2.4
- python-manageiq-client
- java-1.8.0-openjdk-headless
- python-dns
+ - python2-cryptography
- name: download Tower setup
get_url: url=http://releases.ansible.com/ansible-tower/setup/ansible-tower-setup-2.1.1.tar.gz dest=/opt/ force=no
