Add all of the ingredients for the dressing to a food processor. Pulse until well blended. Divide dressing between four standard sized mason jars. Layer the fruit in the mason jars, starting with the watermelon on the bottom, pineapple, strawberries and mango in the middle and the blueberries on top. Garnish with fresh mint, if desired. To serve, pour contents of jar into a bowl and mix to combine. You can also seal jar and store in the refrigerator for 2 to 3 days.