Add 'include_all_instances' support to 'get_all_instance_status'.
Add 'include_all_instances' support to 'get_all_instance_status'. (part 2, unit test verifies request parameter)
Merge pull request #2446 from DreadPirateShawn/issue2230

Add 'include_all_instances' support to 'get_all_instance_status'. Fixes #2446, #2230.