1 cup fresh blueberries  | 
                                                3/4 cup rum  | 
                                                1/4 cup lemon juice  | 
                                                2 garlic cloves, minced  | 
                                                2 tablespoons brown sugar  | 
                                                1 tablespoon chopped sweet onion  | 
                                                1 tablespoon white vinegar  | 
                                                1 (16 ounce) package pork tenderloin  | 
                                                french bread, slices toasted  | 
                                                3 cups fresh blueberries, divided  | 
                                                1/4 cup fresh lemon juice  | 
                                                3 tablespoons chopped fresh cilantro  | 
                                                2 jalapeno peppers, seeded and minced  | 
                                                1/3 cup diced red bell pepper  | 
                                                1/4 cup chopped onion  | 
                                                1/2 teaspoon kosher salt  |