* Clean GaspardTrackerTrapezoidi.cc and GaspardTrackerAnnular.cc code
   + remove dummy code for aluminium dead layer
   + adapt variable names for gaspard detecor

* ParisPhoswich: remove compilation warning

   + add reliable scorer functionality for theta and phi strips in NPS
   + add theta and phi strips position determination in NPL

* Status:
   + Analysis is working well, except that excitation energy, when using
     the strips, is reconstructed -20 keV off.

   + Theta and Phi strips are added

* Cosmetic changes in AnnularS1.cc

   + A lot of work has been done

   + TGaspardTrackerPhysicsNew class
     This class now *only* hold the physical information as calculated
     from NPAnalysis.

   + Status:
     running NPAnalysis gives the same results with the new structure
     than before in case of the gaspardTestSpheric detector (only one
     shape)

   + Everything is prepared for multi-shape but whould be tested

   + TGaspardTrackerDummyShape.{h,cxx} and TGaspardTrackerTrapezoid.{h,cxx} added
      These classes will deal with reading the configuration, calculating the 
      geometry and building physical events.

   + TGaspardTrackerPhysicsNew.{h,cxx}
      This class holds the TGaspardTrackerData class and knows all the detectors
      to analyze through a map relating the detector number and the corresponding
      TGaspardTrackerModule object.

* Status:
   Configuration files with heterogeneous shapes are read and the map
   is filled correctly

  be hold

   - mainly adds support for solid D2 cryogenic target

   - Effect of beam tracker is now taken into account

* Add new cross-section files

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   - case for TInitialConditions, TInteractionCoordinates, 
     TGaspardTrackerData and TPlasticData
   - one method was added:    void Clear(const Option_t*) {};
   - one method was modified: void Dump() const;

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   - Take into account energy loss in the target for reconstruction
     of the excitation energy
   - change makefile to recompile when header files are changed

* Clean some part of the code to remove warnings at compilation time

   - This is useful for elastic scattering studies

* Add CH2 material for target definition

* Change ushort for unsigned short in *.cc files

* Rename Gaspard geometry input files

* Add one differential cross section file

* New version of Gaspard analysis code

* Fill all fields of the TInitialCondition class for an isotropic event
  generator

   - Add TGaspardTrackerPhysics.{h,cxx} and GaspardTracker.{h,cxx} in NPLib
   - Correct a bug concerning the name of the InitializeScorers() method