updated copyright note.
Copied the UNUSED correction from v1.4.
Added an example to the usage of -- option.
Description:
[describe the bug, or describe the new feature, etc]
Solution:
[details about the changes, algorithm, etc...]
[Please as detail as you can since your own explanation is
better than others guessing it from the code.]
Platforms tested:
arabica (fortran), modi4 (pp, fortran),eirene (fortran, CC).