added jet grooming parameters set to default values
changed use* grooming parameters to read in values as opposed to only checking for existence
added one missing parameter
Restore means of passing eventID to Mixed SimHits
Merge pull request #4723 from mdhildreth/EventID_fixes_for_Mixing_SimHits

Restore means of passing eventID to Mixed SimHits
Merge pull request #4705 from clint-richardson/feature/addParametersForFastJet

Feature/add parameters for fast jet
Merge remote branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X