Merge pull request #768 from rackerlabs/move-auth-stuff-from-worker

Move auth-specific stuff from otter.worker.launch_server_v1 to otter.auth
Add cleanup
ReST markup fixes
More ReST markup fixes
Add a failing test
Apply toolz judiciously
Merge pull request #771 from rackerlabs/less-stupid-config-value

Make config_value less silly
Merge branch 'master' into honest-request-func