SAN FRANCISCO — The push for a higher minimum wage gained momentum on both sides of the country Wednesday with New York embracing an eventual $15 an hour for the state’s 200,000 fast-food workers and the huge University of California system announcing the same raise for its employees.“How we support our workers and their families impacts Californians who might never set foot on one of our campuses,” said UC President Janet Napolitano, who oversees 10 campuses, including UCLA and Berkeley. “It’s the right thing to do.”The …