Serve a temporary file after event relocation

Change-Id: I7b87d8e73dc62db8a74d13a31c78fe783365d12b
diff --git a/plugin/pom.xml b/plugin/pom.xml
index d5a86f3..c93342b 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -111,6 +111,12 @@
       <version>${jersey.version}</version>
     </dependency>
 
+    <dependency>
+      <groupId>commons-io</groupId>
+      <artifactId>commons-io</artifactId>
+      <version>2.8.0</version>
+    </dependency>
+    
   </dependencies>
   
   <build>