Dqm physics ewk module update  trigger fix

Fixes in the SMP-administered EwkElecDQM and EwkMuDQM modules of DQM/Physics (several files):
- Trigger logic in both modules
- 1000-bin histograms in EwkMuDQM reduced to 100 bins
- Fixed vertex collection token in EwkElecDQM. Also changed two tags (pfMET and offlineBeamSpot).
- Updated configuration files for cmsRun