[JXR-194] Upgrade to Velocity 2.4

Author: michael-o

maven-jxr/pom.xml

@@ -43,7 +43,7 @@ under the License.
     <dependency>
       <groupId>org.apache.velocity</groupId>
       <artifactId>velocity-engine-core</artifactId>
-      <version>2.3</version>
+      <version>2.4</version>
     </dependency>
 
     <dependency>