[Bleeding] Implemented Inventory.{get,set}MaxStackSize(). Addresses BUKKIT-1076

- Custom inventories also respect this setting now.

src/main/java/net/minecraft/server/TileEntityBrewingStand.java

@@ -23,6 +23,7 @@ public class TileEntityBrewingStand extends TileEntity implements IInventory {
 
     // CraftBukkit start
     public List<HumanEntity> transaction = new ArrayList<HumanEntity>();
+    private int maxStack = 1;
 
     public void onOpen(CraftHumanEntity who) {
         transaction.add(who);
@@ -39,6 +40,10 @@ public class TileEntityBrewingStand extends TileEntity implements IInventory {
     public ItemStack[] getContents() {
         return this.items;
     }
+
+    public void setMaxStackSize(int size) {
+        maxStack = size;
+    }
     // CraftBukkit end
 
     public String getName() {
@@ -228,7 +233,7 @@ public class TileEntityBrewingStand extends TileEntity implements IInventory {
     }
 
     public int getMaxStackSize() {
-        return 1;
+        return maxStack; // CraftBukkit
     }
 
     public boolean a(EntityHuman entityhuman) {