HORN-30:Add driver code for Horn
diff --git a/pom.xml b/pom.xml
index cd00794..caa1051 100644
--- a/pom.xml
+++ b/pom.xml
@@ -246,8 +246,17 @@
           </execution>
         </executions>
       </plugin>
-      
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifest>
+              <mainClass>org.apache.horn.examples.ExampleDriver</mainClass>
+            </manifest>
+          </archive>
+        </configuration>
+      </plugin>
     </plugins>
   </build>
 </project>
-
diff --git a/src/main/java/org/apache/horn/examples/ExampleDriver.java b/src/main/java/org/apache/horn/examples/ExampleDriver.java
new file mode 100644
index 0000000..d9f63a3
--- /dev/null
+++ b/src/main/java/org/apache/horn/examples/ExampleDriver.java
@@ -0,0 +1,47 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.horn.examples;
+
+import org.apache.hadoop.util.ProgramDriver;
+import org.apache.horn.utils.MNISTConverter;
+import org.apache.horn.utils.MNISTEvaluator;
+
+public class ExampleDriver {
+  
+  public static void main(String args[]) {
+    int exitCode = -1;
+    ProgramDriver pgd = new ProgramDriver();
+    try {
+      pgd.addClass(
+          "MNISTConverter",
+          MNISTConverter.class,
+          "A utility program that converts MNIST training and label datasets "
+          + "into HDFS sequence file.");
+      pgd.addClass("MNISTEvaluator", MNISTEvaluator.class,
+          "A utility program that evaluates trained model for the MNIST dataset");
+      pgd.addClass(
+          "MultiLayerPerceptron",
+          MultiLayerPerceptron.class,
+          "An example program that trains a multilayer perceptron model from HDFS sequence file.");
+      exitCode = pgd.run(args);
+    } catch (Throwable e) {
+      e.printStackTrace();
+    }
+    System.exit(exitCode);
+  }
+}