support ansible 2.17

[matthewandrews]

Ansible 2.17 is the current major version. Update roles to run on this version of Ansible.

[vjrj]

Testing a bit:

• TASK [tomcat : enable the HTTP 1.1 connector (Tomcat-9)] *********************** fatal: [ala-install-test-1]: FAILED! => {"changed": false, "module_stderr": "/bin/sh: 1: /usr/bin/env python3: not found\n", "module_stdout": "", "msg": "The module failed to execute correctly, you probably need to set the interpreter.\nSee stdout/stderr for the exact error", "rc": 127}