Dip each breast half in olive oil; place in a shallow roasting pan. Sprinkle evenly with mustard, curry powder, celery salt, garlic salt, and onion salt. Add water to pan. Cover with aluminum foil, and bake at 275° for 30 minutes; uncover and add remaining ingredients to pan. Bake an additional 30 minutes or until dove is tender. Serve hot or cold on a wooden pick.