+ geant4 files are kept in the include and src directories
   + one directory is created for each detector. This directory
     contains the associated headers and sources files
   + a script directory is created with some scripts allowing the
     conditional compilation

 * Add #ifdef statements in DetectorConstruction.cc file
   + this applies to each detector header

 * Move G4MultiFunctionnalDetector.hh header from Sharc.cc to 
   Sharc.hh

* Change InitializeRootInput() method for InitializeRootInputRaw() for
  Gaspard, Hyde and Paris project.

* Move CalibrationManager class to the Tools directory in NPL

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   + finish the NPSimulation part of the documentation

   - Change path in PrimaryGeneratorAction.cc
   - Update HOWTO / README files

* Add information header to the previous files