Add implementation of the elder Guardian API

nms-patches/Entity.patch

@@ -50,6 +50,16 @@
  
      public int getId() {
          return this.id;
+@@ -135,7 +169,8 @@
+         this.dead = true;
+     }
+ 
+-    protected void a(float f, float f1) {
++    // PAIL: Access + rename please
++    public void a(float f, float f1) { // CraftBukkit - protected to public
+         if (f != this.width || f1 != this.length) {
+             float f2 = this.width;
+ 
 @@ -150,6 +184,33 @@
      }