add check BeamSpot validity
add on/off track cluster monitoring @HLT
 add strip cluster monitoring @HLT
put back higPhotonJetHLTOfflineSource
Merge pull request #5076 from mtosi/from-CMSSW_7_2_X_2014-08-27-0200_stripClusterDQM@HLT_ON-OFFtrack

Strip cluster on/off track dqm@hlt