fix local installation (except for why3-cpulimit)
fix local installation (except for why3-cpulimit)

ssaavedra/why3,jpdeplaix/why3,ssaavedra/why3,ssaavedra/why3,douglas-larocca/why3,douglas-larocca/why3,douglas-larocca/why3,jpdeplaix/why3,jpdeplaix/why3