update commons-io from 2.1 to 2.7

Author: Bing

panda-dependencies/pom.xml

@@ -204,7 +204,7 @@
 			<dependency>
 				<groupId>commons-io</groupId>
 				<artifactId>commons-io</artifactId>
-				<version>2.1</version>
+				<version>2.7</version>
 			</dependency>
 			<dependency>
 				<groupId>org.apache.poi</groupId>