An anti-Israel protestor busted during the Columbia University and City College campus unrest once declared that the Oct. 7 Hamas terror attack was one of the “greatest days of my life,” police sources told The Post — as details on other arrestees’ violent pasts continued to emerge Thursday. Rudy Ralph Martinez, 32, was among the 282 protesters and agitators who were cuffed and hauled away when the NYPD encountered unruly mobs during a crackdown on tent encampments at both schools late Tuesday. Martinez, who was nabbed at CUNY’s Harlem campus on a burglary charge, is a serial protester on the...