+ In NPA, use directly input files from input ROOT file to be analysed 
     if not no input file is given.
   + TAsciiFiles from first input ROOT file in the TChain is taken.

   + TAsciiFile classes containing input files are now files here and not
     in Simulation.cc anymore

   + Call to AddDetector() method was missing

* Finish NPAnalysis for W1 detector
   + Cases with multiplicity greater than one are treated
   + Excitation energy is reconstructed OK without strip
   + Excitation energy taking into account strips should be checked
     in more details.

* Cosmetic for screen printing in NPLib classes

 - Now Can add Friend Tree using a RunToTreat file

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   - changes made in RootInput.cxx file

   - First Root file was not treated
   - Last Root file was treated twice