Ability to manually specify lumi mask when submitting PAT tuples

 (+ PEP8 whitespace fixes)

@jjswan33 @tsarangi @isobelojalvo

To be used as a last resort.  Lets you do 

```shell
python submit_tuplization.py MyRecoveryJobs  --lumimask="FinalStateAnalysis/RecoTools/data/masks/MyRecoveryJSON.json" --samples "*TauPlusX*"
```

to submit the minimal jobs needed.