* 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
* Google Cloud Pubsub Module
The Google Cloud Pubsub module allows the Ansible user to:
* Create/Delete Topics
* Create/Delete Subscriptions
* Change subscription from pull to push (and configure endpoint)
* Publish messages to a topic
* Pull messages from a Subscription
An accessory module, gcpubsub_facts, has been added to list topics and subscriptions.
* Added docs for state field to DOCUMENTATION and RETURN blocks.