I had created these earlier in this branch before rebasing it on top of the Ansible 2.5.0 readiness branch. See: https://docs.ansible.com/ansible/devel/porting_guides/porting_guide_2.5.html
Adds a separate handler for the php-fpm7.2 service and cleans up the pool config file to remove some content that causes Jinja2 to choke.
