add INVALID_BLOCKSTAMP legend
add INVALID_BLOCKSTAMP legend
duniter/duniter-currency-monit,duniter/duniter-currency-monit,librelois/duniter-currency-monit,librelois/duniter-special-node-members,librelois/duniter-currency-monit,duniter/duniter-currency-monit,duniter/duniter-currency-monit