cms-sw/cmssw CMSSW_7_4

#9345 from @davidlange6: Start of Config/DataProcessing for B=0 operations
#9337 from @davidlange6: Fix unschuduled mode when paths not to be run are created operations
#9344 from @davidlange6: Remove HWW DQM modules dqm
#9342 from @davidlange6: B=0 customise function simulation
#9319 from @namapane: Do not apply DT vdrift correction (that accounts for field in phi SLs… reconstruction
#9326 from @Martin-Grunewald: Add LowPU menu to HLT Integration Tests (74X) hlt
#9292 from @cms-tsg-storm: HLT updates on top of CMSSW_7_4_3 (incl. B-Field from DB) alca dqm generators hlt l1 operations simulation
#9252 from @lveldere: convert fastsim addon tests to new cfg structure core
#9130 from @quertenmont: Adding a DQM module for dEdxHit info (74X) dqm reconstruction
#9296 from @rovere: Reshape RunI-like tracking customization snippet. reconstruction
#8977 from @capalmer85: Back port of ALCARECOLumiPixelsMinBias to 74X alca operations
#8723 from @duanders: Backport of T1tttt config to 7_4_X generators
#9136 from @silviodonato: Bug fix of VBF Hbb code (backport 74X) hlt
#9199 from @vkhristenko: Fixing the Expected Digi Size Issue in HF dqm
#9293 from @deguio: fix wrong configuration of the DQMEventInfo for preshower dqm
#9280 from @deguio: add protection to avoid crashes in case the technicalTriggerWord is zero dqm

cms-sw/cmsdist#1593 from @smuzaffar: update root tag: TClass, Cling and Protect Tree fixes included (sync with 75X branhc)

cms-sw/cmssw CMSSW_7_4_4 on GitHub