* Update elasticsearch_plugin.py
Change module to work with Elasticsearch 2.x and 5.x automatically.
Update examples and docs.
Supersedes #21989
* Check system paths for elasticsearch-plugin binary
Use get_bin_path from basic.py for searching paths.
* Create a copy of PLUGIN_BIN_PATHS rather than modifying the global
* Use provided plugin_bin path first before trying other places
Change global PLUGIN_BIN_PATHS to a tuple
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
* fix module doc fields
* More module docs corrections
* More module docs corrections
* More module docs corrections
* More module docs corrections
* correct aliases
* Review comments
* Must quote ':'
* More authors
* Use suboptions:
* restore type: bool
* type should be in the same place
* More tidyups
* authors
* Use suboptions
* revert
* remove duplicate author
* More issues post rebase
* Update validate-modules
* Validates ANSIBLE_METADATA
* Ensures imports happen after documentation vars
* Some pep8 cleanup
* Clean up some left over unneeded code
* Update modules for new module guidelines and validate-modules checks
* Update imports for ec2_vpc_route_table and ec2_vpc_nat_gateway