Add the X10 language (http://x10-lang.org/).

samples/X10/HelloWorld.x10

@@ -0,0 +1,23 @@
+/*
+ *  This file is part of the X10 project (http://x10-lang.org).
+ *
+ *  This file is licensed to You under the Eclipse Public License (EPL);
+ *  You may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *      http://www.opensource.org/licenses/eclipse-1.0.php
+ *
+ *  (C) Copyright IBM Corporation 2006-2014.
+ */
+
+import x10.io.Console;
+
+/**
+ * The classic hello world program, shows how to output to the console.
+ */
+class HelloWorld {
+  public static def main(Rail[String]) {
+      Console.OUT.println("Hello World!" );
+  }
+}
+
+