A Sept. 11 memorial in the Journal Square Plaza will be spared from demolition when the long-anticipated $821 million twin-tower One Journal Square project is built, an organizer of the annual 9/11 tribute told The Jersey Journal. “We’re going to keep the 9/11 fountain, Mayor Fulop gave me his word for that matter,” said Pat O’Melia, who is working with the city and One Journal Square developer Kushner Companies to preserve the 9/11 memorial and the location of the adjacent Circle of Honor. The fountain sits in front of the Port Authority Journal Square Transportation Center, along with a Jack…