multiple policies tests
Delete the server if the group has been deleted
Do not log if the group has been deleted before the job fails
reviews
Log when a job failure has been ignored due to group deletion
better docstring
Change negative test issue number
Merge pull request #283 from rackerlabs/auto-339-delete-server-if-group-deleted

Auto 339 delete server if group deleted
Merge pull request #277 from rackerlabs/more_policies_tests

multiple policies tests (ready for review)
Merge branch 'master' into auto-473-assertion-error-fix

Conflicts:
	otter/test/test_controller.py