Minimum quantity should default to 2.

Fixes #1581

src/main/java/com/gmail/nossr50/skills/repair/config/RepairConfig.java

@@ -132,7 +132,7 @@ public class RepairConfig extends ConfigLoader {
             }
 
             // Minimum Quantity
-            int minimumQuantity = (itemMaterial != null && repairMaterial != null ? Repair.getRepairAndSalvageQuantities(new ItemStack(itemMaterial), repairMaterial, repairMetadata) : config.getInt("Repairables." + key + ".MinimumQuantity"));
+            int minimumQuantity = (itemMaterial != null && repairMaterial != null ? Repair.getRepairAndSalvageQuantities(new ItemStack(itemMaterial), repairMaterial, repairMetadata) : config.getInt("Repairables." + key + ".MinimumQuantity", 2));
 
             if (minimumQuantity <= 0 && itemMaterial != null) {
                 minimumQuantity = Repair.getRepairAndSalvageQuantities(new ItemStack(itemMaterial));

src/main/java/com/gmail/nossr50/util/MobHealthbarUtils.java

@@ -160,7 +160,7 @@ public final class MobHealthbarUtils {
      * @param livingEntity The {@link LivingEntity} of the livingEntity to check
      * @return true if the livingEntity is a boss, false otherwise
      */
-    public static boolean isBoss(LivingEntity livingEntity) {
+    private static boolean isBoss(LivingEntity livingEntity) {
         switch (livingEntity.getType()) {
             case ENDER_DRAGON:
             case WITHER: