fax update for the campaign. (#502)
fax update for the campaign. (#502)

* fax update. Changes are: 1) gain and sigmas for first science run. 2) PMT AP time resolution added. 3) PMT AP probability corrected. 4) Uniformly time-distributed PMT AP added.

* Version conflict fixed.

XENON1T/pax,XENON1T/pax