Add xenodata handling

Change-Id: I15bbaa408ec6fd442663074e58068c4bc2dbddfd
diff --git a/Readme.pod b/Readme.pod
index ccf61c3..b021614 100644
--- a/Readme.pod
+++ b/Readme.pod
@@ -488,6 +488,8 @@
 
 =item ICC - Meta data for the ICC in addition to I5
 
+=item NKJP - Meta data for the NKJP corpora
+
 =back
 
 More importers are in preparation.