Adding all Entities into CraftBukkit.

These are needed to properly allow for determining class type, in
accordance with current practice.

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

@@ -0,0 +1,71 @@
+package net.minecraft.server;
+
+public class EntityTNTPrimed extends Entity {
+
+    public int a;
+
+    public EntityTNTPrimed(World world) {
+        super(world);
+        a = 0;
+        i = true;
+        a(0.98F, 0.98F);
+        H = J / 2.0F;
+    }
+
+    public EntityTNTPrimed(World world, double d1, double d2, double d3) {
+        this(world);
+        a(d1, d2, d3);
+        float f = (float) (Math.random() * 3.1415927410125732D * 2D);
+
+        s = -MathHelper.a((f * 3.141593F) / 180F) * 0.02F;
+        t = 0.20000000298023224D;
+        u = -MathHelper.b((f * 3.141593F) / 180F) * 0.02F;
+        M = false;
+        a = 80;
+        m = d1;
+        n = d2;
+        o = d3;
+    }
+
+    protected void a() {}
+
+    public boolean c_() {
+        return !G;
+    }
+
+    public void b_() {
+        m = p;
+        n = q;
+        o = r;
+        t -= 0.039999999105930328D;
+        c(s, t, u);
+        s *= 0.98000001907348633D;
+        t *= 0.98000001907348633D;
+        u *= 0.98000001907348633D;
+        if (A) {
+            s *= 0.69999998807907104D;
+            u *= 0.69999998807907104D;
+            t *= -0.5D;
+        }
+        if (a-- <= 0) {
+            q();
+            d();
+        } else {
+            l.a("smoke", p, q + 0.5D, r, 0.0D, 0.0D, 0.0D);
+        }
+    }
+
+    private void d() {
+        float f = 4F;
+
+        l.a(((Entity) (null)), p, q, r, f);
+    }
+
+    protected void a(NBTTagCompound nbttagcompound) {
+        nbttagcompound.a("Fuse", (byte) a);
+    }
+
+    protected void b(NBTTagCompound nbttagcompound) {
+        a = ((int) (nbttagcompound.b("Fuse")));
+    }
+}