* Test/TestUtil.cxx : reformat the source code

   * vtk/vtkGdcmReader.cxx : remove and change prints
   * src/gdcmValEntry.[cxx|h] : now set the length of the value when calling
     SetValue
   * src/gdcmBinEntry.[cxx|h] : SetValue method don't set the length
   * src/*.cxx : remove all useless call to SetLength of a ValEntry object
   -- BeNours