Heat oil in a large saucepan over medium-high heat. Add onion, bell pepper, and curry powder; saute 3 minutes. Add chopped mango, cranberries, juice, raisins, and vinegar; bring to a boil. Reduce heat, and simmer, uncovered, 10 minutes. Remove from heat; stir in green onions and remaining ingredients. Serve with pork, poultry, or game.