add dependency for template engine

pom.xml

@@ -76,6 +76,11 @@
             <version>3.1.0</version>
             <!-- scope>provided</scope -->
         </dependency>
+        <dependency>
+            <groupId>org.apache.velocity</groupId>
+            <artifactId>velocity-engine-core</artifactId>
+            <version>2.3</version>
+        </dependency>
     </dependencies>
 
     <build>