The chief justice of New Jersey’s Supreme Court, Stuart Rabner, has been on a years-long campaign to stop using our jails to punish people for being poor; what amounts to a debtor’s prison. He started by making our state a national model for bail reform, locking up dangerous people awaiting trial but releasing those stuck behind bars because they can’t afford to pay their way out. Now he’s seeking to reform our municipal court system for lower-level offenses, which brings us to the new policy announced last week for all New Jersey cops and courts: You can no longer arrest people for minor fine…