Add DQM modules for single lepton SUSY triggers.

Adding DQM modules for the HLT paths not included in the PR from https://github.com/cms-sw/cmssw/pull/6255#issuecomment-62160837:
HLT_Ele15_IsoVVVL_BTagtop8CSV07_PFHT400
HLT_Ele15_IsoVVVL_PFHT400_PFMET70
HLT_Ele15_IsoVVVL_PFHT600
HLT_Ele15_PFHT300
HLT_Mu15_IsoVVVL_BTagCSV07_PFHT400
HLT_Mu15_IsoVVVL_PFHT400_PFMET70
HLT_Mu15_IsoVVVL_PFHT600
HLT_Mu15_PFHT300