Blueberry BBQ Sauce Pulled Pork Sandwiches

Name: Blueberry BBQ Sauce Pulled Pork Sandwiches
Ingredients: * 3-4 pound pork butt; * salt; * for the barbecued sauce:; * 1 teaspoon extra virgin olive oil; * 1 large shallot, diced small; * 1 large jalapeno, finely diced with seeded removed; * 2 pint blueberry; * 1/4 cup ketchup; * 1/4 cup honey; * 1/4 cup balsamic vinegar; * 1/2 tablespoon mustard; * 1/2 teaspoon salt; * for coleslaw:; * 1 bag coleslaw mix; * 1/2 cup mayonnaise, full fat or light; * 2 tablespoon apple cider vinegar; * 1 tablespoon sugar; * 1 teaspoon salt; * pretzel roll or soft hamburger bun