src/example_01/access_machine.py: generalize so we can use a remote_user other than "ec2-user" by reading it from ansible.cfg
src/example_01/access_machine.py: generalize so we can use a remote_user
other than "ec2-user" by reading it from ansible.cfg

analog76/ansible_tutorial,glenjarvis/ansible_tutorial,digitalquest/ansible_tutorial,suops33/Ansible