Clean up test imports
Move auth functions out of worker
Use new location in validate_config
Use new location in otter.http
Use new location in metrics

Also remove TODO to do exactly that. You're welcome, @manishtomar ;)
Use new location in convergence

Also remove TODO to do exactly that, again.
Merge pull request #768 from rackerlabs/move-auth-stuff-from-worker

Move auth-specific stuff from otter.worker.launch_server_v1 to otter.auth