Changes to the metadata format were approved here:
https://github.com/ansible/proposals/issues/54
* Update documentation to the new metadata format
* Changes to metadata-tool to account for new metadata
* Add GPL license header
* Add upgrade subcommand to upgrade metadata version
* Change default metadata to the new format
* Fix exclusion of non-modules from the metadata report
* Fix ansible-doc for new module metadata
* Exclude metadata version from ansible-doc output
* Fix website docs generation for the new metadata
* Update metadata schema in valiate-modules test
* Update the metadata in all modules to the new version
* Change example syntax on authorized_key module
* Change example syntax on cron module
* Change example syntax on group module
* Change example syntax on hostname module
* Change example syntax on seboolean module
* Change example syntax on selinux module
* Change example syntax on service module
* Change example syntax on sysctl module
* Change example syntax on systemd module
* Change example syntax on user module
* Change example syntax on debug module
* Change example syntax on fail module
* Change example syntax on include module
* Change example syntax on include_role module
* Change example syntax on include_vars module
* Change example syntax on pause module
* Change example syntax on wait_for module
* Change example syntax on apache2_module module
* > Change example syntax on django_manage module
* Change example syntax on htpasswd module
* Fix docs to specify when python2.6+ is required (due to a library
dep). This helps us know when it is okay to use python2.6+ syntax in
the file.
* remove BabyJson returns. See #1211 This commit fixes all but the
openstack modules.
* Use if __name__ == '__main__' to only run the main part of the module
if the module is run as a program. This allows for the potential to
unittest the code later.