Switch test/ttSemiLepSignalSelMVATrainTreeSaver_cfg.py to unscheduled and modify to show effect with the new PAT defaults (cleaning added here).
Merge pull request #1592 from vadler/70X-fixLooperTestUnscheduled

AT fixes -- Switch test/ttSemiLepSignalSelMVATrainTreeSaver_cfg.py to unscheduled and modify to show effect with the new PAT defaults (cleaning added here).