* include/vaucanson/algorithms/image.hxx,
include/vaucanson/algorithms/image.hh (image): Add an optional
parameter to keep the weights.
* include/vaucanson/algorithms/domain.hxx,
include/vaucanson/algorithms/domain.hh (domain): Likewise.
(do_fmp_weighted_domain): Remove this copy of do_fmp_domain()
which now has a Boolean parameter to decide what to do with
weights.
* taf-kit/src/cmd_fmp.cc (image, domain): Remove weights.
(w_image, w_domain): New commands that keep weights.
* taf-kit/tests/vcsn-int-fmp-z.test: Adjust test.