Fix #242 if git is not available, use wget or curl to download sources
Fix #242 if git is not available, use wget or curl to download sources

blaurent49/duniter,blaurent49/duniter,duniter/duniter,blaurent49/duniter,duniter/duniter,duniter/duniter,duniter/duniter,blaurent49/duniter,duniter/duniter,duniter/duniter