[rackspace] moved LINKS_FORMAT to top level helper as it is used by multiple specs
Merge branch 'master' of github.com:fog/fog into queue_tests
[rackspace] updated shindo helper to add :rackspace_queues_client_id to credentials if it does not already exist. Hopefully this will make it easier to run Rackspace tests
Merge branch 'master' of github.com:fog/fog into queue_tests
Merge pull request #2237 from rackspace/queue_tests

[rackspace] tweaking queue tests