Mock ssh_option_config for unit test.
Cleanup based on y-trobinso's feedback.
Merge pull request #197 from dnephin/r0.6_service_refactor

Service Refactor
Merge branch 'release_0.6' of github.com:Yelp/Tron into 0.6_update_docs
Adding tests for controllers.
Merge pull request #200 from dnephin/0.6_update_docs

Update docs and pull out some logic from tron.api.www
Merge branch 'master' of github.com:dnephin/Tron into 0.6_job_controller