How a block party celebrating the New York City Housing Authority is leading to long overdue repairs for Brooklyn residents — by Teju Ravilochan 30 years ago in 1993, Barbara Cole was thrilled to be moving into Glenmore Plaza, a public housing development in Brownsville, Brooklyn. “It was one of the best developments in the neighborhood,” she said. But like many of the 177,000 apartments housing 333,000 residents administered by the…