restore plexus groupId

olamy · olamy · commit ff370552302a · 2011-05-12T15:00:00.000+02:00
diff --git a/pom.xml b/pom.xml
@@ -9,6 +9,7 @@
     <version>16</version>
   </parent>
 
+  <groupId>org.codehaus.plexus</groupId>
   <artifactId>plexus-archiver</artifactId>
   <version>1.3-SNAPSHOT</version>
 
