Added finite domain expressions and numerals to the .NET, Java, and Python APIs.

Relates to #318

src/api/java/FiniteDomainExpr.java

@@ -0,0 +1,33 @@
+/**
+Copyright (c) 2012-2014 Microsoft Corporation
+   
+Module Name:
+
+    FiniteDomainExpr.java
+
+Abstract:
+
+Author:
+
+    @author Christoph Wintersteiger (cwinter) 2015-12-02
+
+Notes:
+    
+**/ 
+
+package com.microsoft.z3;
+
+/**
+ * Finite-domain expressions
+ **/
+public class FiniteDomainExpr extends Expr
+{
+    /**
+     * Constructor for FiniteDomainExpr
+     * @throws Z3Exception on error
+     **/
+    FiniteDomainExpr(Context ctx, long obj)
+    {
+        super(ctx, obj);
+    }
+}