Update dependencies of Ant build

build.xml

@@ -3,7 +3,8 @@
   <property name="resource.dir" location="src/test/resources" />
   <property name="build.dir" location="ant/build" />
   <property name="lib.dir" location="ant/lib" />  
-  <property name="maven.ant.tasks.url" value="http://www.apache.org/dist/maven/binaries/maven-ant-tasks-2.1.3.jar" />
+  
+  <property name="maven.ant.tasks.url" value="http://mirror.sdunix.com/apache/maven/ant-tasks/2.1.3/binaries/maven-ant-tasks-2.1.3.jar" />
   <property name="maven.ant.tasks.jar" value="${lib.dir}${file.separator}maven-ant-tasks-2.1.3.jar" />
   <available property="maven.ant.tasks.jar.exists" file="${maven.ant.tasks.jar}" />