Update CraftBukkit to 1.6.2

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

@@ -5,6 +5,7 @@ public class TileEntitySign extends TileEntity {
     public String[] lines = new String[] { "", "", "", ""};
     public int b = -1;
     public boolean isEditable = true; // CraftBukkit - private -> public
+    private EntityHuman d;
 
     public TileEntitySign() {}
 
@@ -47,4 +48,12 @@ public class TileEntitySign extends TileEntity {
     public boolean a() {
         return this.isEditable;
     }
+
+    public void a(EntityHuman entityhuman) {
+        this.d = entityhuman;
+    }
+
+    public EntityHuman b() {
+        return this.d;
+    }
 }