Merged CMSSW_7_2_X from repository cms-sw
Migrate frozen menu to CMSSW_7_1_8 ConfDB template
Adjust prescales in two di-muon paths
Merge pull request #5258 from perrotta/fineTuneAdjustmentsToRun2Menu

HLTrigger/Configuration -- Fine tune adjustments to run2 menu
Merge remote branch 'origin/CMSSW_7_2_X' into CMSSW_7_0_X