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 supervisorctl module
* Change example syntax or _ec2_ami_search module
* Change example syntax on cloudformation module
* Change example syntax on ec2 module
* Change example syntax on ec2_facts module
* Change example syntax on ec2_eip module
* Change example syntax on rds module
* Change example syntax on route53 module
* Change example syntax on s3 module
* Change example syntax on digital_ocean module
* Change example syntax on docker_service module
* Change example syntax on cloudformation module
* Change example syntax on gc_storage module
* Change example syntax on gce module
* Change example syntax on gce_mig module
* Change example syntax on _glance_image module
* Change example syntax on _keystone_user module
* Change example syntax on _nova_keypair module
* Change example syntax on _quantum_floating module
* Change example syntax on _quantum_floating_ip_associate module
* Change example syntax on _quantum_network module
* Change example syntax on _quantum_router module
* Change example syntax on _quantum_router_gateway module
* Change example syntax on _quantum_router_interface module
* Change example syntax on _quantum_subnet module
* SQUASH _quantum_subnet
* Add missing quotes
Toshio Kuratomi
Eugene Krokhalev
John R Barker
joernheissler
Sam Doran
Hrishikesh Barua
Toshio Kuratomi
Greg DeKoenigsberg
Brian Coca