documentation for XZ

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/compress/trunk@1196969 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 52d266d..d86502d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,6 +102,10 @@
       <name>Michael Kuss</name>
       <email>mail at michael minus kuss.de</email>
     </contributor>
+    <contributor>
+      <name>Lasse Collin</name>
+      <email>lasse.collin@tukaani.org</email>
+    </contributor>
   </contributors>
 
   <scm>