Fix DQMOffline/Configuration/python/DQMOfflineHeavyIons_cff.py so that it runs no std photons
Fix DQMOffline/EGamma/python/egammaDQMOffline_cff.py so that it can run on HI sequnce only for the std photons
Merge pull request #2729 from nancymarinelli/egmGedDQMOfflineUpdatesFor7XX_1

DQM -- Fix to have the DQMOffline/EGamma able to run on the HI sequence