Updated plexus io to fix windows/java5 problem

Author: krosenvold

pom.xml

@@ -55,7 +55,7 @@
     <dependency>
       <groupId>org.codehaus.plexus</groupId>
       <artifactId>plexus-io</artifactId>
-      <version>2.1.2</version>
+      <version>2.1.3</version>
     </dependency>
     <dependency>
       <groupId>org.apache.commons</groupId>