Came to here from http://www.ansibleworks.com/docs/bestpractices.html, but I think the link here meant to go to https://github.com/ansible/ansible-examples and not https://github.com/ansible/ansible-examples/tree/master/language_features?

remove playbook examples from main repo.  Fear not, these are now in the ansible/ansible-examples repo :)

While here factor out password prompting in ansible.utils

allow references to names of variables in with_items without needing to surround them with Jinja2 '{{' delimeters

file.

Upgraded variable support met with upgraded conditional support, see examples/playbooks/upgraded_vars.yml
for details!