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
* [GCE] Google Cloud Spanner module
Supports the creation/updating/deletion of Spanner instances and create/drop databases.
* [GCE] On update, node count will not be reset to one if not specified.
* [GCE] fixed some imports.
* [GCE] rename display_name to instance_display_name
* [GCE] Recreate instance in order to have desired values at create time.
* Fix linter error on imports
* [GCE] Added force_instance_delete option to ensure an instance is not removed by mistake.
* [GCE] Google Cloud Spanner module
Supports the creation/updating/deletion of Spanner instances and create/drop databases.
* [GCE] On update, node count will not be reset to one if not specified.
* [GCE] rename display_name to instance_display_name
* Fix linter error on imports
* fixed doc bug
* Remove imports mistakenly brought in during merge
Toshio Kuratomi
Tom Melendez