Forgot to initialize help...

       * src/Args.cc: Here.
Seems to work. Needs to be tested and updated to follow nex interface.

      * src/RiceDataTerm.hh: New interface.
      * src/RiceDataTerm.hxx: Bug fixes following code by L.Denis
      * src/TVL0DecompositionMinimizer.hxx: Uses new interface.
      * src/main.cc: Crop