[AWS] adds 'hypervisor', 'lifecycle', 'requester_id', 'source_dest_check', 'spot_instance_request_id', 'virtualization_type' attributes to instances, also fixes instance tests to work in non-mocking mode
[openstack|image] Define get method for images
Merge pull request #1828 from frodenas/image-reload

[openstack|image] Define get method for images
Merge pull request #1827 from estonfer/add_lifecycle

[AWS] adds attributes to instances, and fixes instance tests.