Added a Repairing Living Armour Upgrade (trained by damaging the chestplate of the Living Armour while you have a full set on - it repairs all of your armour pieces over time)

Added the stat trackers for various Living Armour Downgrades.

src/main/java/WayofTime/bloodmagic/livingArmour/upgrade/LivingArmourUpgradeRepairing.java

@@ -0,0 +1,87 @@
+package WayofTime.bloodmagic.livingArmour.upgrade;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.EntityEquipmentSlot;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.World;
+import WayofTime.bloodmagic.api.Constants;
+import WayofTime.bloodmagic.api.livingArmour.ILivingArmour;
+import WayofTime.bloodmagic.api.livingArmour.LivingArmourUpgrade;
+
+public class LivingArmourUpgradeRepairing extends LivingArmourUpgrade
+{
+    public static final int[] costs = new int[] { 15 };
+    public static final int[] repairDelay = new int[] { 200 };
+
+    int maxRepair = 1;
+
+    int delay = 0;
+
+    public LivingArmourUpgradeRepairing(int level)
+    {
+        super(level);
+    }
+
+    @Override
+    public void onTick(World world, EntityPlayer player, ILivingArmour livingArmour)
+    {
+        if (delay <= 0)
+        {
+            delay = repairDelay[this.level];
+
+            EntityEquipmentSlot randomSlot = EntityEquipmentSlot.values()[2 + world.rand.nextInt(4)];
+            ItemStack repairStack = player.getItemStackFromSlot(randomSlot);
+            if (repairStack != null)
+            {
+                if (repairStack.isItemStackDamageable() && repairStack.isItemDamaged())
+                {
+                    int toRepair = Math.min(maxRepair, repairStack.getItemDamage());
+                    if (toRepair > 0)
+                    {
+                        repairStack.setItemDamage(repairStack.getItemDamage() - toRepair);
+                    }
+                }
+            }
+        } else
+        {
+            delay--;
+        }
+    }
+
+    @Override
+    public String getUniqueIdentifier()
+    {
+        return Constants.Mod.MODID + ".upgrade.repair";
+    }
+
+    @Override
+    public int getMaxTier()
+    {
+        return 1; // Set to here until I can add more upgrades to it.
+    }
+
+    @Override
+    public int getCostOfUpgrade()
+    {
+        return costs[this.level];
+    }
+
+    @Override
+    public void writeToNBT(NBTTagCompound tag)
+    {
+        tag.setInteger("repairingDelay", delay);
+    }
+
+    @Override
+    public void readFromNBT(NBTTagCompound tag)
+    {
+        delay = tag.getInteger("repairingDelay");
+    }
+
+    @Override
+    public String getUnlocalizedName()
+    {
+        return tooltipBase + "repair";
+    }
+}