* Update Shippable integration test groups.
* Update integration test group aliases.
* Rebalance AWS and Azure tests with extra group.
* Rebalance Windows tests with another group.
* Include change classification data in metadata.
* Add support for disabled tests.
* Add support for unstable tests.
* Add support for unsupported tests.
* Overhaul integration aliases sanity test.
* Update Shippable scripts to handle unstable tests.
* Mark unstable Azure tests.
* Mark unstable Windows tests.
* Mark disabled tests.
* [ec2_ami_facts] new boto3-based module as a replacement for ec2_ami_find
- new boto3-based module to gather facts about ec2 images
- intended to replace ec2_ami_find which uses boto
- an ami find task (using new module) added to the ec2_ami integration test
* [ec2_ami_facts] Use AnsibleAWSModule. Catch BotoCoreError.
* add ec2_ami_facts alias to tests
* [ec2_ami_facts] return ami launch permissions as well