+ Update trapezoid geometry for gaspard

 - Delete the actual geometry
 - Clear the Detector Manager
 - Reload Geometry file

For this to work a couple of thing has been done:
 - InitializeRootInput now need an extra SetBranchAddress to tell the
   tree that the previous address is no longer in use
 - Scorer can not be cleared, so need to be retrieved in case of a
   reloading. If they do not exist they are created
 - This is done using the new CheckScorer static method from VDetector

* editing the NPSimulation UI for nicer interface
 - adding menue and icon for common command
 - adding free icons for nice interface

* Adding creation of small sample cube by the material manager to ensure
* every declared material are used, so no crash when writting the DEDX
* tables

* changing vis.mac file to use OGLI instead of OGLIQt interface

Al and Kapton material added to Plastic

  this branch is dedicated to the conditional compilation of NPS

 - In the case of multiinteraction in the same volume, the scorer was keeping only the last energy deposit, instead of summing them
 - The threshold has been move in the Read sensitive and is no longer in the scorer, as the energy deposit can be down in multiple step each of them below threshold and be ignored if the threshold is applyed individually.

* Fixing GeometricalEfficiency.C macro to fit new TInitialCondition
* Adding support for TInitialCondition in Sharc

 - Add associate class in NPL
 - Add Function in NPL

Some code clean up has been done as well (cosmetic change for the most)

 * Add #ifdef statements in NPSimulation - DetectorConstruction
   however, if a subset of detectors is selected with ./configure
   from NPLib, it breaks NPSimulation compilation since all projets
   are compiled by default in NPSimulation

- Box Detector Ok
- QQQ starting

* Progress on the Sharc detector
* Correcting bug on the particle stack: Initial condition was not cleared at end of event, generating massive root file

   + NPSimulation is working
   + NPAnalysis is not

* Update all Analysis.cc files in NPAnalysis to account for new method
  name in NPOptionManager

* Update Target.cc file to account for 208Pb targets

* Update ReleaseNotes.txt file

 - Line to remove in the modified file

   + new positioning method in cartesian coordinates:
       w = u x v where u = (128,1) - (1,1)
                       v = (1,128) - (1,1)
       comment: this differs from Must2 positioning scheme 
                where w = v x u
   + this ensures a full consistency between simulations
     and analysis when GaspardTrackerDummyShape is positioned
     at the *same* place with cartesion or spherical coordinates
   + this was checked with a GaspardTrackerDummyShape module at
     R = 100, THETA = 180 and PHI = 0

* Add support in NPA for GaspardTrackerSquare shape
   + same changes as for GaspardTrackerDummyShape both in NPS
     and NPA
   + full consistency is achieved when GaspardTrackerModule are 
     positioned at the *same* place with cartesian or spherical 
     coordinates
   + this was checked with the barrel of the gaspHyde geometry

* Misc:
   + remove compilation warnings in ParisCluster
   + begin work on GaspardTrackerTrapezoid (NPS + NPA)

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

* ParisPhoswich: remove compilation warning

   + Theta and Phi strips are added

* Cosmetic changes in AnnularS1.cc

   + The loop was not done properly (wrong size)
   + Changes have been made for Gaspard
   
   + *** Similar changes should be done for other detectors ***

* Gaspard and Paris simulations behaves as before merging

   + NPLib
      - Add TParisPhysics.{h,cxx} class 
      - Add Paris.{h,cxx} class 

   + NPSimulation
      - Add Cluster class for Paris
      - Add Shields classes for Paris
      - Add scorers
      - Add reaction chamber class (Chamber.{hh,cc})

   + NPAnalysis
      - Add framework for analysings the results of the G4 simulation

   + Inputs
      - Add a lot of different Paris geometrical files 

* Remove occurence to Gaspard in Paris files

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