NEW HAVEN >> Three Fair Haven alders came together with a message of unity Saturday as they announced their re-election bids.Alders Kenneth Reveiz, D-14, Ernie Santiago, D-15, and Jose Crespo, D-16, launched their so-far uncontested campaigns at Chatham Square Park."We're all running together as a slate trying to unite the neighborhood more," said Reveiz, who was elected in March to fill