Fix momentumTensor calculation

Norm of momentumTensor should be initialized with zero
Add mutexes for thread safe use of TBaseClass
Add comments about mutex needed for TypeBases and BaseWithDict
Create mix_flat_0_10_cfi.py
Update Mixing.py
Update mix_flat_0_10_cfi.py
New try to add DAF
Merged MyNewBranchDAF from repository ebrondol

Resolved conflicts:
	RecoTracker/TrackProducer/plugins/TrackRefitter.cc
	TrackingTools/TrackFitters/src/KFTrajectoryFitter.cc
	TrackingTools/TrackFitters/src/KFTrajectorySmoother.cc
	TrackingTools/TransientTrackingRecHit/interface/TransientTrackingRecHit.h
Running in release pre8
Fix DAF problems
Delete cout
cleaning up
cleaning up TrackingTools folder
Delete TSiTrackerMultiRecHit from DPGAnalysis/SiStripTools
Delete TSiTrackerMultiRecHit from DPGAnalysis/SiStripTools (2)
Adding Interface for EvtGen 1.3.0
adding Interface for photos++ 3.55 to 7_2_X
Add MRHChi2 in TrackingComponentsRecord
Fix MRHChi2 in TrackingComponentsRecord
Add miniAOD step into runTheMatrix