Calling it “perhaps the most significant step forward we have taken since the adoption of the Judicial Amendment of 1964,” the state’s chief justice this week announced a new administrative agenda for the courts.Details were still in the works Wednesday when most of the Illinois Supreme Court justices and members of a redesigned Illinois Judicial Conference formally unveiled a summary of goals and values that will guide its policymaking over the next three years and beyond.A 20-page document lists …