add simplifier to java API

src/api/java/SimplifierDecRefQueue.java

@@ -0,0 +1,31 @@
+/**
+Copyright (c) 2012-2014 Microsoft Corporation
+   
+Module Name:
+
+    SimplifierDecRefQueue.java
+
+Abstract:
+
+Author:
+
+    @author Christoph Wintersteiger (cwinter) 2012-03-15
+
+Notes:
+    
+**/ 
+
+package com.microsoft.z3;
+
+class SimplifierDecRefQueue extends IDecRefQueue<Simplifier> {
+    public SimplifierDecRefQueue() 
+    {
+        super();
+    }
+
+    @Override
+    protected void decRef(Context ctx, long obj)
+    {
+        Native.simplifierDecRef(ctx.nCtx(), obj);
+    }
+}