Upgrade to maven-duplicate-finder-plugin 1.0.5

This adds a cache which accelerates mvn install:

1.0.3:

real    3m4.419s
user    3m29.749s
sys     0m48.495s

1.0.5:

real    1m48.533s
user    2m22.457s
sys     0m46.331s
diff --git a/project/pom.xml b/project/pom.xml
index 75b351b..2a758ea 100644
--- a/project/pom.xml
+++ b/project/pom.xml
@@ -432,7 +432,7 @@
       <plugin>
         <groupId>com.ning.maven.plugins</groupId>
         <artifactId>maven-duplicate-finder-plugin</artifactId>
-        <version>1.0.3</version>
+        <version>1.0.5</version>
         <configuration>
           <exceptions>
             <exception>