Merge pull request #28 from olamy/ivy-2.5.1

Upgrade Ivy to 2.5.1

Author: Carroll Chiou

pom.xml

@@ -83,7 +83,7 @@
         <dependency>
             <groupId>org.apache.ivy</groupId>
             <artifactId>ivy</artifactId>
-            <version>2.5.0</version>
+            <version>2.5.1</version>
         </dependency>
 
         <!-- required plugins -->