Added a 2D histogram to monitor MC vertices vs BX number
Added a 2D histogram to monitor MC vertices vs BX number: 2nd step
Added new 2D histogram to monitor number of interactions per BX

Conflicts:
	Validation/RecoVertex/src/MCVerticesAnalyzer.cc
	Validation/RecoVertex/test/mcverticessimpleanalyzer_cfg.py
Added pvRecoSequence_cff.py which got lost between 53x and 62x
New root macros added
Added new macros. <export> tag removed from bin BuildFile
Merge branch 'dpganalysis_sistriptools-62x-slhc' into validation_recovertex-62x-slhc

Conflicts:
	DPGAnalysis/SiStripTools/bin/DPGAnalysisSiStripToolsMacrosLinkDef.h
	DPGAnalysis/SiStripTools/bin/OccupancyPlotMacros.cc
fix of a syntax error produced by the automatic merging
Merge pull request #3251 from venturia/validation_recovertex-62x-slhc

New macros in Validation/RecoVertex (backport from 71x)