renamed wave.f90 to older_original_from_Jeroen_and_Dimitri_wave.f90 because Alexis Bottero is going to commit a new (improved) one
Merge pull request #2 from komatits/devel

renamed wave.f90 to older_original_from_Jeroen_and_Dimitri_wave.f90 because Alexis Bottero is going to commit a new (improved) one
added the 1D Python version developed by Alexis Bottero
Merge pull request #3 from komatits/devel

added the 1D Python version developed by Alexis Bottero
added Alexis Bottero's new Fortran version
Merge pull request #4 from komatits/devel

added Alexis Bottero's new Fortran version
Merge remote-tracking branch 'origin/devel'