Only use 8 unicorn workers
Remove reduntant config output
Modify /latest_submission to return latest submission of any status

Submissions of a particular status can be retrieved using parameter
include_status={status|any|ready}
Modify /latest_submission to return latest submission of any status

Submissions of a particular status can be retrieved using parameter
include_status={status|any|ready}
Merge branch 'master' of github.com:ncbo/ontologies_api

Conflicts:
	controllers/ontologies_controller.rb