Upgrade commons-io 2.5

Author: slandelle

pom.xml

@@ -392,7 +392,7 @@
 		<testng.version>6.11</testng.version>
 		<jetty.version>9.4.6.v20170531</jetty.version>
 		<tomcat.version>8.5.20</tomcat.version>
-		<commons-io.version>2.4</commons-io.version>
+		<commons-io.version>2.5</commons-io.version>
 		<commons-fileupload.version>1.3</commons-fileupload.version>
 		<privilegedaccessor.version>1.2.2</privilegedaccessor.version>
 		<powermock.version>1.6.4</powermock.version>